MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous links to compromised CMS uploads and disposable hosting, suggesting it's part of a link farm designed to distribute malicious content. The presence of a download button lure further supports a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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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://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16086f995a154c---jerof.pdf
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/s9hma9g3ak15hi00bogteo6qn1/dolirokom.pdf
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16076e4c68f81c---wabudamuxolokosorawim.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/5818fb7ee7e701a9c1f2f0eb30fb4c08/guwotasud.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a664eaed6f4---sawudaranugexuroger.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c69052d372e---kesikeromafilefivobiw.pdf
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/fcc49cabc6a7e96df9f3427bfe340f73/folovexexizarolanir.pdf
- http://stpetersame.com/clients/9/91/91902b33218228c9a3691be2563b71f1/File/84204655380.pdf
- http://work4shop.cz/userfiles/file/fepofol.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac54c20e2b9---kigelosudowulatinoviwibuf.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2f635aa826---32620117888.pdf
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/fd7cb204b04851349bbbd56e508874a9/xivovexazujukuxigaruvuf.pdf
- http://xn--aknmedikal-yub.com/uploads/file/68879901838.pdf
- http://purpledoorchurch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608235d743bdc---kududiwuxe.pdf
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/d45a7de6e7fea2523d37d0d891077cc7/petapanamo.pdf
- http://balone.net/_upload/file///xelibulugexojizomekivan.pdf
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/fb91d595b3cc20590f6cfcb378910599/32020463196.pdf
- https://noihoithanhtuan.com/media/ftp/file/39625723288.pdf
- https://seerupit.dk/assens/file/gugominuf.pdf
- http://gangwonbnb.com/FileData/ckfinder/files/20210606_E1AF64B8200AB0BF.pdf
- http://forresterfamilyreunion.com/clients/c/cc/cc72bfd2512333311cc1ef5a4fdef90f/File/48879901527.pdf
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160881db85fc75---80717955814.pdf
- https://www.propertyadvisersaustralia.com/wp-content/plugins/super-forms/uploads/php/files/210a3a3044aac285a9f4a46263ca84d5/69010006841.pdf
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607070a3f225c---65319146639.pdf
- http://agriturismocorteerbatici.it/userfiles/files/73714891966.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=simple+english+story+for+kids+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000efc1.bin5652ce112984917604c60b89894f85afac8b55e7bd339953db900ee8db35c559 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFC1 | 16612 bytes |
font_01_sfnt_off00011acb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ACB | 16792 bytes |
font_02_sfnt_off000132e2.binfd46f2155baf6716fabbf25dcc18f2f6a598a821ceacef8f0be929853be0fa08 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132E2 | 11064 bytes |
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