MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress upload storage locations and disposable hosting sites. The embedded URLs suggest a phishing or malware distribution scheme, aiming to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9746
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 https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/b0a9102a9cc196778c8191cf44726a1f/34138884197.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/0gim3s5ve4udp9gpsh7gl3uggd/jejoxetulowajuvobaxabogu.pdf
- https://itacademyindia.com/ckfinder/userfiles/files/tugefesifokovove.pdf
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075c204264db---leminovedatowotikulurew.pdf
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/3fc5fu4eqpqlu5a00kral72l88/8404511110.pdf
- https://soudurelauziere.com/upload/editor/file/74268556805.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e0957e9036---lefus.pdf
- https://salvatoredivilio.it/userfiles/file/juperewuzunofepurez.pdf
- https://africanresearchcenter.com/userfiles/file/22734240438.pdf
- https://toptenstudy.com/upload/files/BodyFile__60B2682BEA372.pdf
- http://traktorpulling.de/ablage/userfiles/files/17394636320.pdf
- http://aksaaydinlatma.com/img/editor/image/file/lamatuxekakep.pdf
- http://abpaluso.com/upload/file/xubadezakobubatakexanavu.pdf
- http://chiengthai.com/file_media/file_image/file/tuwuvomuvovesolasanag.pdf
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8b8d699e5c---famajefegazow.pdf
- http://runo34.ru/attachments/file/72403457319.pdf
- https://digireg.org/upload/84648729880.pdf
- https://angelsstaff.com/uploads/file/dezufofujegenefov.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607440c08e8cc---riketuxupezis.pdf
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd77d0f20d---jamogid.pdf
- https://stopserv.ru/files/file/36866650299.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4f076167be---kekigofarig.pdf
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/f03uejflbs143t3plhbfg0q1s1/23003254942.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c100bc6808d---minuxojezagirafofenitapaj.pdf
- http://villa-carlshorst.de/sites/default/files/file/96904286443.pdf
- http://llux.vn/uploads/files/luwukegizudotinaletuko.pdf
- https://asset-books.com/userfiles/file/mebadowolepasibewe.pdf
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086d837cdc0a---tojer.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=small+deals+outlet+cayman
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d96d.bin61e5d11eda1e7abef8be6e72ccb4a423b277ffef220287df6d1b35293e6cd758 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD96D | 10628 bytes |
font_01_sfnt_off0000f1c6.bin29119ebfe4e46c9e1af4dc02aaa1f780f4d37eeef77fb99a4462a250cbb133dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1C6 | 17244 bytes |
font_02_sfnt_off00010aea.bincc6a8b06ebb348e0ea43cab0ece86b695d6bbb0a0093c83240b0cca8d6363fc2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AEA | 17560 bytes |
font_03_sfnt_off000138c7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138C7 | 16792 bytes |
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