MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://studiomalpocher.it/userfiles/files/31936705671.pdf In PDF document text
- http://paletydozahrady.cz/ckfinder/userfiles/files/35627413999.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613c8e9e7dea8---25502263280.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133dcb9c6059---xorukodobafidabefu.pdfIn PDF document text
- http://szao-spb.ru/images/news/file/beponopatabixuxel.pdfIn PDF document text
- https://indirimlipin.com/calisma2/files/uploads/72530754375.pdfIn PDF document text
- http://mofrantech.com/userfiles/file/21898141349.pdfIn PDF document text
- https://embassyinvietnam.com/webroot/img/files/ximil.pdfIn PDF document text
- http://bfr-bialapodlaska.pl/userfiles/file/tesetebaj.pdfIn PDF document text
- http://koreanhotpot.com/uploads/files/4799112512.pdfIn PDF document text
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/5f8a0fda55de0bc47c4c02dbf8570cb0/vokigi.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613abf62c2a78---lenotanamesinijot.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613decd104d34---lelajemeviwimu.pdfIn PDF document text
- https://vanchuyenduongsat.vn/upload/files/rifovugurosibeba.pdfIn PDF document text
- https://rajatotogroup4.com/contents/files/demupukedoreniderawiketa.pdfIn PDF document text
- https://simplehome.ro/ckfinder/userfiles/files/vosufukumuwa.pdfIn PDF document text
- http://sashtraayurveda.com/ckfinder/userfiles/files/dupukupan.pdfIn PDF document text
- http://saydersan.com/firma/files/sezilofefumejoxirowukemow.pdfIn PDF document text
- http://www.nachtruhe.info/up/files/60414791820.pdfIn PDF document text
- https://clubslotalmatriche.com/calcas/file/29061909137.pdfIn PDF document text
- https://bibliotheque.ville.deux-montagnes.qc.ca/ckfinder/userfiles/files/dofibavakabofanozen.pdfIn PDF document text
- http://administratieindex.nl/images/uploads/74463824728.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=the+intelligent+investor+warren+buffett+pdfPDF 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_off0000dbda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBDA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f3f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3F1 | 11132 bytes |
SHA-256: a571de7489c68cc17427c53fa8903afba06017f0b93083012313649f7340d254 |
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font_02_sfnt_off00010d7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D7E | 18364 bytes |
SHA-256: c2c76bd1559266f87753d415a03db23e7f911e44330b178f69ff54590c040e0f |
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