MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and ML classifiers indicated maliciousness. It contains numerous embedded URLs, many pointing to disposable hosting or compromised CMS upload directories, suggesting a link farm designed to distribute malicious content or phish users. The document body is heavily obfuscated and unreadable, providing no direct textual clues.
Machine Learning
- Nyx PDF Classifier malicious score 0.9941
Heuristics 6
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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 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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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 http://winso.tw/userfiles/file/kosibowixegawunuwirudofir.pdf In PDF document text
- http://omonetach.pl/foto/ilustracje/file/figemomewuxomaxiworu.pdfIn PDF document text
- http://ourhkg.com/UPFILE/userfiles/files/21731595000.pdfIn PDF document text
- https://hanyauntuktesting.com/contents//files/bebor.pdfIn PDF document text
- http://shield-in.com/userfiles/files/91995977137.pdfIn PDF document text
- https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/0tstmogco79qu9f5dntcdn792q/62454746451.pdfIn PDF document text
- http://bobmeetin.com/media/galleries/files/wilofowoga.pdfIn PDF document text
- http://aktasmatbaacilik.com/resimlerfiles/pugukidojimo.pdfIn PDF document text
- http://longhornrings.com/clients/0/08/08da48574b41509ac7bedcf2500dc652/File/86027245343.pdfIn PDF document text
- http://alexhofford.com/temp/files/file/nelulilivabalawodujikemo.pdfIn PDF document text
- https://novzelandiya.ru/ckfinder/userfiles/files/78230593316.pdfIn PDF document text
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c16f99d66aa---diripiravoga.pdfIn PDF document text
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/3ba15a83b06c9d24d544a9777a20b323/89985495816.pdfIn PDF document text
- https://girilawfirm.com/content_files/files/rokexuwu.pdfIn PDF document text
- http://aep-tc.com/cache/fck_files/file/joron.pdfIn PDF document text
- http://apogeeconsultancy.com/upload/files/fevowoge.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3196a71227---23199804611.pdfIn PDF document text
- https://masini-de-ambalat.ro/images/userfiles/laxugemolududifimixowabi.pdfIn PDF document text
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/nufquchc5kqkuv0ib6p3cglir5/javubuzemufukaxo.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c2afd076ad2---kojawuvot.pdfIn PDF document text
- https://www.sacda.org/wp-content/plugins/super-forms/uploads/php/files/7b7hda75a11p3dsg2lnlfufo34/31719472570.pdfIn PDF document text
- https://motoquadro.de/userfiles/file/jipidipu.pdfIn PDF document text
- http://uctodane.cz/UserFiles/File/88499340464.pdfIn PDF document text
- http://jsdarvin.com/files/woromesigizujivapavopi.pdfIn PDF document text
- https://zohopinler.com/calisma2/files/uploads/wesoxupoxagi.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d1739f1466---fotovixegitibupaf.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+bypass+genie+garage+door+opener+sensorsPDF 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_off0000cfbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFBC | 10852 bytes |
SHA-256: 1bcb99087af744a29dacf6791dcff992e71e7dcbd1e898258bcd52894b6d3e19 |
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font_01_sfnt_off0000e895.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE895 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000100a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100A7 | 16200 bytes |
SHA-256: 69994c2d499adce9f9d2950a5c8b312cb7482c9622fdaf3743699f6c48e4bf30 |
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