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 links to external websites, many of which are hosted on compromised or disposable domains, suggesting a link farm or phishing lure. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating the PDF is designed to drive traffic to these sites. No scripts were extracted, but the overall structure and heuristics point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/9q56umltc6ibioei0rqeca63sj/rosenosugedosijore.pdf In PDF document text
- https://adverto.ee/userfiles/file/fibabaxupuwisixawo.pdfIn PDF document text
- https://www.tocbirsen.org.tr/ckfinder/userfiles/files/dunoxazalixu.pdfIn PDF document text
- http://sakaryakasaplarodasi.org/userfiles/file/towixepixore.pdfIn PDF document text
- http://danbikoreansj.com/uploads/files/55599233478.pdfIn PDF document text
- https://leresto-niort.fr/images/userfiles/files/nawelon.pdfIn PDF document text
- http://daoltrading.com/userData/board/file/wuzupo.pdfIn PDF document text
- http://china-engine.net/ckfinder/userfiles/files/53849277452.pdfIn PDF document text
- http://119pump.net/d/files/86656722213.pdfIn PDF document text
- http://thibangoto.com/app/webroot/uploads/files/38119078026.pdfIn PDF document text
- http://poliambulatorioargentina.eu/userfiles/files/degojelajuxasem.pdfIn PDF document text
- http://nanouklid.cz/upload/file/bovoleviwazedobivoxal.pdfIn PDF document text
- http://sziszolg.hu/editor_up/sanugipidemira.pdfIn PDF document text
- http://studiotecnicodambra.eu/userfiles/files/gukobawepujaluw.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/161385f93a3521---zevikitijiz.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161485b78ec6c0---32234097720.pdfIn PDF document text
- https://balarampurblock.in/ckfinder/userfiles/files/88551450449.pdfIn PDF document text
- http://brixtontaxi.com/survey/userfiles/files/2511555260.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1613c69c659ffd---4597081601.pdfIn PDF document text
- http://cafemsoffice.com/userfiles/files/xupenosisezodipif.pdfIn PDF document text
- http://mail.teleserviciomalaga.com/ckfinder/userfiles/files/penuxalopexobuxenadajewe.pdfIn PDF document text
- http://rrarental.org/upload/file/sijes.pdfIn PDF document text
- http://burbank.kopanramen.com/uploads/files/kujebotax.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+change+the+password+in+windows+7PDF 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_off0000b2c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2C6 | 16864 bytes |
SHA-256: 55a54f21d8df20dea73b11a27c6475456dcae83e3209f16dcd15a874bbf42693 |
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font_01_sfnt_off0000dcdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCDB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f4f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4F2 | 10876 bytes |
SHA-256: a862c782a275cd4554323b9ddc0e746b2308a786ffc5dfd526ae0b5797ef9202 |
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