MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF document containing embedded JavaScript and a link farm pointing to multiple compromised WordPress sites. These links likely serve as a lure to download additional malicious payloads, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/65024feea9ae8ea460639a1a28fe93d7/75628186826.pdf In PDF document text
- http://classconnbio.com/img-jacson/files/nifakufufomofegiretikike.pdfIn PDF document text
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/v7jca4emoi0hb9sj0v2ib2lhe3/18744324405.pdfIn PDF document text
- https://avgdesign.com/userfiles/file/65355130342.pdfIn PDF document text
- http://micronforgacsolo.hu/UserFiles/file/55882134646.pdfIn PDF document text
- http://urbanconstructions.org/images/uploadedimages/file/46583414496.pdfIn PDF document text
- https://energooptima.hu/upload/File/84657607541.pdfIn PDF document text
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/60a74281f027193faa191bc77fbfb313/devemoxexap.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d1d9b9cc2---11534746270.pdfIn PDF document text
- http://aviapartner.biz/js/ckfinder/userfiles/files/lelavivekawomovibo.pdfIn PDF document text
- https://xehowo24h.com/images/ckeditor/files/78430885490.pdfIn PDF document text
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/l4olr1pfcer4okq6ti5l11bg2u/gulerul.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb8ca3b150---8372163572.pdfIn PDF document text
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8f2c23d73---lomezutonemubosupokonowur.pdfIn PDF document text
- https://nanyangtextile.com/userfiles/file/sezatasomuzumilupopa.pdfIn PDF document text
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/qgma6pfe1gjg45b4kkn5cael9n/tosovufatazaruxedafa.pdfIn PDF document text
- http://namngonviet.vn/user-/files/nixepovisikemutisa.pdfIn PDF document text
- https://travelworld.ro/userfiles/file/14679936907.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dbe3c6f979---lalofutuxutavu.pdfIn PDF document text
- http://vieclamquantri.net/upload/files/75625802673.pdfIn PDF document text
- http://mldinsaat.com/image/files/gewopatigirofexozugebij.pdfIn PDF document text
- https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/2f9aaa5f22c23cc87b6493ec66fce62c/20265583856.pdfIn PDF document text
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160780707074ac---fojodepexufafekoxawuzi.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/jozepegadatomusugajenaz.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=oppo+a37+android+7+updatePDF 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_off0000ee54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE54 | 16676 bytes |
SHA-256: 6d21cb91c013436e7b0684f576cd0e020cfe5be58c6086a84397bfddc7860235 |
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font_01_sfnt_off000119ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000131c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131C5 | 10516 bytes |
SHA-256: 75d2e1118db614a69f4166d7f97db16dca0e0279d4f9d0bc0f62bf60f48d10e1 |
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