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. Heuristics reveal it functions as a link farm, directing users to multiple compromised websites hosted on disposable infrastructure. The presence of embedded URLs and the nature of the heuristics suggest this PDF is part of a phishing or malware distribution campaign, likely using spearphishing as an initial access vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7a5c92130b---gedew.pdf In PDF document text
- https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/d6488422386ab2284762a02d0fd14399/dowewojim.pdfIn PDF document text
- http://cambridgekapurthala.com/damana/userfiles/file/62276542259.pdfIn PDF document text
- https://birotex.rs/images/files/18883950891.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bebfb671c30---lapimovapatiw.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/st3bhnbcgag2d4ikdj8rpdiiak/72755701482.pdfIn PDF document text
- http://charivne.info/images/file/87710882122.pdfIn PDF document text
- http://savalis.ru/userfiles/file/16619912003.pdfIn PDF document text
- http://vanxuantravel.com/upload/files/43242314962.pdfIn PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/2842be52dc08460e370f442b8517066e/mavefegatexep.pdfIn PDF document text
- https://loyallcanada.ca/editor_files/file/jususaxulok.pdfIn PDF document text
- http://yhbinternational.com/userfiles/file/21833807333.pdfIn PDF document text
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b08b51f2fd5---49478560651.pdfIn PDF document text
- https://almuhja.ps/ckfinder/userfiles/files/98809124835.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/e5894f893320e2e6416ccffe525cafce/87540047891.pdfIn PDF document text
- http://inglewoodreunion.com/clients/68690/File/jeleruv.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/7ba94298974931da0bc148d3d84c2368/nudusi.pdfIn PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/a3fb94834645ef33951543e5f931e732/fekabarumuvikonedo.pdfIn PDF document text
- http://meyergarden.com/ckfinder/userfiles/files/xuvudotonorisizefenijamem.pdfIn PDF document text
- http://dom-2000.ru/ckfinder/userfiles/files/gejobuna.pdfIn PDF document text
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/70c02392e6b0f03a142b4007ca905584/65232971951.pdfIn PDF document text
- http://2446665a.ru/ckfinder/userfiles/files/42739971972.pdfIn PDF document text
- http://www.petercar0937494634.com/upload/img/files/kexevutavegikikadu.pdfIn PDF document text
- http://bio86.fr/fichiers/vivexuwawamijemulega.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/lm9p02acduqv6lq0unf7sip2ds/gatenulisigofemuranitu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=happiest+year+jaymes+young+piano+sheet+musicPDF 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_off0000e092.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE092 | 17992 bytes |
SHA-256: cbc14bbe2589307d852378cdd3c47eababbbcc992c00875f1eda880a7194b808 |
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font_01_sfnt_off00011010.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11010 | 11108 bytes |
SHA-256: 33bb1f2cdacede60ae71dfc3d29410f92fb32211d9de538a5b7e276bb51b5375 |
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font_02_sfnt_off000129cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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