MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous URLs pointing to compromised WordPress sites, suggesting a link farm designed to redirect users. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating the document's primary purpose is to host these redirecting links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://philabc.ru/uplcv?utm_term=ejercicios+de+rotacion+en+el+plano+cartesiano+para+secundaria+pdf PDF link annotation
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/98bo4fdlreim6ild96e3lkh0at/91726717587.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160861e07362fa---5601573446.pdfIn PDF document text
- http://soles2walk.cz/data/file/vubovubegulexisexeba.pdfIn PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/q6s6d0ut4t2ube982okdp5lf4u/87715247478.pdfIn PDF document text
- https://mn-lawfirm.com/box/userfiles/file/94614073580.pdfIn PDF document text
- http://atut-biuro.com/uploaded/file/58581128871.pdfIn PDF document text
- https://hijaustabilo.com/contents//files/22759395813.pdfIn PDF document text
- https://everestart.com/images/stories/file/wuzezelukafutivata.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/084388290be9b86faed485ee04511b00/21309316259.pdfIn PDF document text
- https://bustotoronto.com/userfiles/file/wawaxugolebedarizaj.pdfIn PDF document text
- http://ambulatorioveterinarioilprato.eu/userfiles/files/lomobuzaxuromeki.pdfIn PDF document text
- http://urgentcarepb.net/userfiles/file/21425377890.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/78d98cf9d7ac905f0ced550769ebe8eb/88816214429.pdfIn PDF document text
- https://fiberglasssupplydepot.com/userfiles/file/vumexaxowibiduserog.pdfIn PDF document text
- http://jnafarms.com/clients/864068/File/ratozuvolewononewikufa.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607084419e839---39080245100.pdfIn PDF document text
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/vpq6upho656mjv32gv71riahtd/zopuvopelojase.pdfIn PDF document text
- http://www.valathors.com/ckfinder/userfiles/files/luwuv.pdfIn PDF document text
- http://www.bandungmesin.com/file/lubenikukuk.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078e4fa2ac45---musuravilofulanakive.pdfIn PDF document text
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6eea6cab91---wiwojozogujuj.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/segejuvapa.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://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_off0000f939.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF939 | 10828 bytes |
SHA-256: be80b475e2a488b6b86902fa3c62459d80fe6b5f113063026f3cf79e2d77f478 |
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font_01_sfnt_off00011241.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11241 | 18212 bytes |
SHA-256: 180f46ef67a561622e7acdee5443db591f43848d2fc57a5090bc2ff5a645bbb6 |
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font_02_sfnt_off00014093.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14093 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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