MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It functions as a link farm, directing users to multiple external websites, some of which are hosted on compromised WordPress installations. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate an attempt to redirect users to potentially harmful content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://archism.ru/uplcv?utm_term=how+many+quarts+of+oil+does+a+1998+ford+ranger+take PDF link annotation
- https://skvely-kup.cz/files/file/34226451687.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/d86d1dfe4f364c49015a1334cbd01416/fonaxerefazezazur.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afcd10701c4---pavujelu.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/e37gn1psfh2bveovu9qe4n9tv1/xisimo.pdfIn PDF document text
- http://globalbando.com/DATA/upload/files/202107040255475880.pdfIn PDF document text
- https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/fb1481960bef8754750eee0690dfe36c/69637916905.pdfIn PDF document text
- http://atek-ent.com/upload/file/24680556061.pdfIn PDF document text
- http://rajasthanmetals.com/userfiles/file/78594534141.pdfIn PDF document text
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16085284123322---24570094337.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/5be05dae5b0d53e95dbdcc6b4c82fc17/83200653943.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c68fe1401d9---zogikilelagagap.pdfIn PDF document text
- http://3suntech.com/UploadFile/file/20210601164259338.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f87d85df6ce---manejajumanudif.pdfIn PDF document text
- http://seanbittinger.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bupilosapiburafizofeme.pdfIn PDF document text
- http://bonapartefamilynetwork.com/clients/7/7d/7d081654635712149502d88e72c54c2d/File/bizivu.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af9d4776614---52577009919.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16081f365e5ebf---5864961541.pdfIn PDF document text
- http://wrhsclassof82.com/clients/d/dd/dd94ad2327da436b0bfbe5937c3cc641/File/gatudiwamowozudodoka.pdfIn PDF document text
- http://ausafe.net/images/art/files/1950489212.pdfIn PDF document text
- https://biocoils.com/img/file/38000939615.pdfIn PDF document text
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/3r24cue3nsq4qtuplfokqsbhk0/44861485326.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607276a84fb3b---85581329000.pdfIn PDF document text
- https://mkserwis.pl/userfiles/file/46630461830.pdfIn PDF document text
- http://cunningham-reunion.com/clients/7/73/7399477c88ef979e1ad3ac38e42cffcc/File/79282938838.pdfIn PDF document text
- 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_off0000c1ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1EF | 17172 bytes |
SHA-256: 97d4966daf69e1dc36b22f495e724aa9b2a0d5cfbf8f99c6518c1297a9bc3f8d |
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font_01_sfnt_off0000eef9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF9 | 11656 bytes |
SHA-256: 91a04d9f5f49f6d3fb701172c457e91b7122ef1de830cadc7aeb26c9e6edb81a |
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font_02_sfnt_off00010a56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A56 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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