MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a high number of links pointing to compromised websites, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further indicates a lure to trick users into downloading a payload. While no scripts were explicitly extracted, the PDF structure and numerous external links strongly suggest an attempt to facilitate the download of a second-stage malicious file.
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://wastran.ru/uplcv?utm_term=computer+graphics+lecture+notes+pdf
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/571b6fa699595d0ce915f57432f9eeb7/pifusatazizaxofekafa.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/38vdi5nghogpj50kgkhu2m8e6b/ranodepus.pdf
- http://youngshiny.com/userfiles/file/1621244000.pdf
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/71725acd0ca03c1f7c449680015e44ee/dagixuvutugiwiwoko.pdf
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3726677b1---64080028018.pdf
- http://thucphamchucnangmy.vn/uploads/files/boduro.pdf
- http://aqbnb.com/uploadfile/file/xilugisawipateroruke.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609144f6a7fd6---54780655574.pdf
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160aa2e2f41923---janexevojo.pdf
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608076afc1f9d---59555202444.pdf
- http://abc-tel.ru/data/File/faxivojekujisisebem.pdf
- http://myucmas.com/userfiles/file/56317281427.pdf
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160cfe13d45cad---98530767214.pdf
- http://tea-ra.com/user_data/upload/save_image/files/51468157671.pdf
- http://kennedy-jackson.com/clients/f/f7/f78508644b517540cdb1549d93860f53/File/nefesufefalim.pdf
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097d929b7fbb---15341167995.pdf
- https://pnp-studio.com/fckeditorfiles/file/80150142519.pdf
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/0c9725344a0b6f4ff7e56321ed5b1296/8406610477.pdf
- https://takeorders.online/wp-content/plugins/super-forms/uploads/php/files/1mhhrnekrgjmf3a8fm3r729pka/wemegetiton.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160762ca21d287---65385593508.pdf
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/97fa6d43e83b396aee16e7b39d1e324e/93043368803.pdf
- http://ahlhy.com/uploads/file/031853224005.pdf
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/52e5843482d6695d244df9f7a874fe89/gixemitizasitupo.pdf
- https://aznamaste.com/ckfinder/userfiles/files/zipimuxid.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_off0000f5cd.binb9dff09fe941e96a46cd1aae8ff9a0d5c65310185456364f7d0b3f4d8f2ca810 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5CD | 17760 bytes |
font_01_sfnt_off00012447.bin3645f12c7644fa80d3a19495553a4601351bc9ae860486edf12e3b0089d70cfd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12447 | 11200 bytes |
font_02_sfnt_off00013e1f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E1F | 16792 bytes |
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