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. The PDF contains numerous links to external websites, many of which are hosted on compromised CMS upload storage or disposable hosting, suggesting a link farm or phishing lure. No scripts were extracted, but the presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/4e930225dc96364d99f33431876afde8/59823630656.pdf In PDF document text
- https://tinhhoaxanh.vn/userfiles/file/98405389728.pdfIn PDF document text
- https://nstyapi.com/resimler/files/gakitagatovuwenutebak.pdfIn PDF document text
- https://portecitadelle.portecitadelle.ca/ckfinder/userfiles/files/gusufudukiwuwakelaxi.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b47ba87746---2555178376.pdfIn PDF document text
- https://robert-zauer.cz/userfiles/file/taxexo.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d13511f22b---33345830266.pdfIn PDF document text
- http://abwpetersburg.com/uploads/files/62589358490.pdfIn PDF document text
- http://krukewittfarms.com/userfiles/file/52114673521.pdfIn PDF document text
- http://mptech.vn/ckfinder/userfiles/files/gives.pdfIn PDF document text
- http://clinicaveterinariasangiacomo.it/userfiles/files/merelitureteganebamenamiv.pdfIn PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/d9309a48501e43df8fdcfddf0e4c62a7/rorovurekedoxodafega.pdfIn PDF document text
- http://agmapure.com/upload/files/bazexuromixotetotokuz.pdfIn PDF document text
- http://chukysovin.com/img-svc/files/14748992347.pdfIn PDF document text
- http://architettoangeli.it/userfiles/files/katok.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/a663ec4c32d55923e6e1e1eda2dd47f1/78068417242.pdfIn PDF document text
- http://francescasciortino.it/userfiles/files/85354617927.pdfIn PDF document text
- https://pustelnik-budownictwo.pl/ckfinder/userfiles/files/99855347719.pdfIn PDF document text
- http://srsheicha.com/uploadfile/file/labarikolubimoritito.pdfIn PDF document text
- https://ibshospitals.com/userfiles/file/27930059840.pdfIn PDF document text
- http://malopolskiszlakwinny.pl/upload/File/708056061.pdfIn PDF document text
- http://eiak.org/upload/editor/files/gowakeborufedex.pdfIn PDF document text
- http://www.bash.cl/media/file/88230177949.pdfIn PDF document text
- https://transilvaniafishing.ro/app/webroot/files/userfiles/files/nojemisisowugutuz.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=k+words+for+lovePDF 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_off0000b2f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2F1 | 15232 bytes |
SHA-256: c906cfb899a1cb874064c6d61091c66208c0298fdfca17b200adddbe2927bbb3 |
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font_01_sfnt_off0000d97c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD97C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f193.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF193 | 10036 bytes |
SHA-256: 8eb899f87cb6e4082ea057bea0224d1fa190c469fe34bb4c0fe1f7c979681684 |
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