MALICIOUS
156
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, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised or disposable hosting sites. These sites likely host phishing content or further malware, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/47dd0933496c81ab75b4ed49a5eb43ad/10783595202.pdf In PDF document text
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086976925295---15641720354.pdfIn PDF document text
- http://yeosingol.com/FileData/ckfinder/files/20210621_202BF4CDE00E1843.pdfIn PDF document text
- http://alituncer.com/userfiles/file/nenewuzagelitamaf.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/1db3ed7909789227e0d930ad9b779301/95481953934.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/16099f21d04a68---85265563280.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/e228462251ea44bfb82168f98a201035/67986037809.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/e5250bd929b734d59ffa021674e8e04b/ravurijipufexusuxut.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/dei0q6i851oajk61pld48do7i5/29417192209.pdfIn PDF document text
- https://termocasasrl.com/file/97867590093.pdfIn PDF document text
- http://baovephuongtroi.com/vietkiendo/upload/file/52155594757.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc28554949---68055906036.pdfIn PDF document text
- http://aclamerica.com/customers/CMS-IMAGES/file/dotesefipovudu.pdfIn PDF document text
- http://nusratali.com/userfiles/files/jufobowami.pdfIn PDF document text
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/691202849b33973ee43d0aec2f3a7995/23265133304.pdfIn PDF document text
- http://2ds-creations.fr/userfiles/file/68442587548.pdfIn PDF document text
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/aktd5eh830k68k1ehsba1ijo9s/51117513652.pdfIn PDF document text
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/a1685ec6324e17ca5a8c4833857e9b37/mufebibigodixel.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084ade28eb12---vilevomilopuwelamotepoba.pdfIn PDF document text
- https://cgeminfos.ma/upload/file/gaxelafazotufenuvubotuduj.pdfIn PDF document text
- https://consultingexpert.eu/fckeditor/userfiles/file/zenepesimisozabigugavujig.pdfIn PDF document text
- http://debandhelder.nl/ckfinder/userfiles/files/romazinat.pdfIn PDF document text
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a96167f1236---85241416891.pdfIn PDF document text
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/a2915b8196a715bb6ad47a0a4715eb49/21970974790.pdfIn PDF document text
- https://jotekonybakterium.hu/userfiles/files/zodupefigufobus.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=parks+and+rec+ginuwinePDF 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_off0000f286.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF286 | 10560 bytes |
SHA-256: 6e185f43137d8c4d199bac2ac3036b7b489f78b0362002fbebb8a4c5b3d5adb5 |
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font_01_sfnt_off00010a8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A8E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000122a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122A0 | 17440 bytes |
SHA-256: 71e138792604aba9b2a9003cc01e04c28e03e159afa30d925b073bf65be9c374 |
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