MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farm indicators points towards an attempt to exploit users via malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://catamma.ru/uplcv?utm_term=unblocked+games+6969+1+on+1+tennis
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/vo5hpiu8l4pbhefa79s1sjh2j1/61759079708.pdf
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/0oe6a0aufnejsel8ln6iebhcn3/3574065809.pdf
- http://adamlegal.com/userfiles/file/65983536412.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160817ea0666cb---nagibusezotemafisobevutuf.pdf
- http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/7864161320.pdf
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/80dc5e99a9ce69200442372c2d065734/nanidoxa.pdf
- http://curry-box-deluxe.de/userfiles/file/12147928388.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e863aada3c---58909082516.pdf
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092c6d7307e6---razimesemaxenodegalafet.pdf
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609c7a6a7bca7---591779384.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1607d24136ceb1---53603293023.pdf
- http://greenbrier101.com/userimages/23492001589.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6bbc36d03c---widusuk.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160989a1699c60---gunilexilo.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abab32290fe---96348130284.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a4454eede23---97202724183.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- http://fedorahosted.org/lohit
- 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://scripts.sil.org/OFL
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef5c.bine950c119b1df4ce05bfa6eda5c1fc2a222006bf6fef3d53981a88b0d8a42a30f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF5C | 5508 bytes |
font_01_sfnt_off000101fd.bin0db45947113d2f15312cbd635c8d11d7d83f9112c7e18462366fead4af3e3d0f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101FD | 10888 bytes |
font_02_sfnt_off00012692.bince7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12692 | 4324 bytes |
font_03_sfnt_off00013492.bina4304ccd183affc657844c1327b6743d3fdb2a4bc3ec8cf3a11f67590358c43f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13492 | 7160 bytes |
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