MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file exhibits multiple high-risk heuristics indicating malicious intent, including links to algorithmically generated URLs and compromised WordPress uploads. The presence of a visual download button suggests a lure to trick users into downloading a payload. While no scripts were directly extracted, the overall structure and URL patterns are consistent with phishing and malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9866
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://lee-trading.tw/archive/upload/files/8378365121.pdf In PDF document text
- https://nutricionintravenosa.com/wp-content/plugins/super-forms/uploads/php/files/97e2bf718d94ffa547db40c8d2814d50/48781197267.pdfIn PDF document text
- https://congtydaihai.com/upload/files/rusadubita.pdfIn PDF document text
- http://brooklinehs1964.com/clients/6/6a/6a3559cec3eb17f551da2d864c8c85ab/File/79817214437.pdfIn PDF document text
- http://csc0731.com/userfiles/file/20210622200434_cr6s3i.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/jni1b2c7mm4tnrlav8b72bkh50/3921815354.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160855c8ad9b51---99550078789.pdfIn PDF document text
- http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nuderafofitukigu.pdfIn PDF document text
- http://fairytaleweddingsandeventsbymary.com/clients/f/f2/f272f95a0afb65faa7304057ec0e56f6/File/zimanusofebeji.pdfIn PDF document text
- https://vinaconexmec.vn/uploads/news_file/gavogasabuvomif.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/7c3e616db55570277bdf4f3fbbe9d67d/44407746824.pdfIn PDF document text
- https://drrajanmahtani.com/userfiles/files/14685314707.pdfIn PDF document text
- http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c5b20e2217b---mesodevapavowigew.pdfIn PDF document text
- http://shipsupply.ru/userfiles/files/58783395787.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1db31bbc0d---11700006288.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/ec6b246b73915e17477a6b2be189ecb3/13522107027.pdfIn PDF document text
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/69b8tmjdug3q1nn0ous6htfsps/kozekareduxob.pdfIn PDF document text
- http://ergo-logo-bamberg.de/userfiles/file/lovubotitegesop.pdfIn PDF document text
- http://artetendasud.it/userfiles/files/57215318175.pdfIn PDF document text
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/9709fb0fe8e7b4c871cdc07a58d5f574/wulugimejesivexuwujedome.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160d645c45ce27---buxugasajogi.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd86a9ec68c---saraxisupurituvu.pdfIn PDF document text
- http://mistralizmiryonetim.com/uploads/file/61255071618.pdfIn PDF document text
- http://tamker.hu/userfiles/file/tizadaju.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/hn3bh5iqr46kkl4pgsh65mtmko/pivebozezapipim.pdfIn PDF document text
- http://voxel-avocats.fr/uploads/file/3461430465.pdfIn PDF document text
- http://codienlanhminhquang.com/upload/files/janisuforotavezifirovop.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=blackmart+apk+old+versionPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000feb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEB6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000116cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116CD | 10888 bytes |
SHA-256: c777891b289bb002ae9f0ff020835f950b87aa5276fb0d8338a8ace4b9feafbd |
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font_02_sfnt_off00013007.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13007 | 16844 bytes |
SHA-256: 51ffc2d523905b94cf6736db4d8afd6be5d49b0fa49d126a5b64fdaa442b9ddd |
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