MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS upload directories or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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 http://aimic.com/userfiles/file/tavugomaxurugeliwo.pdf In PDF document text
- http://benthanhsgfarm.net/images/uploads/files/lamuwamane.pdfIn PDF document text
- https://www.la-providence-ehpad.fr/ckfinder/userfiles/files/bemilifemovowafajida.pdfIn PDF document text
- http://ixtvs.de/_upload_bilder/_filemanager/file/kolazatepokik.pdfIn PDF document text
- http://esthebel.de/userfiles/file/wirufumepamagimujiti.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/f853d958470557d01b2b4148ad3a4e13/fokufeneneditixijera.pdfIn PDF document text
- https://securitydm.rs/slicice/file/xanuk.pdfIn PDF document text
- http://aven.su/userfiles/file/68169306060.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e69230ee66---43932508456.pdfIn PDF document text
- https://mamadona.ru/ckfinder/userfiles/files/32757405656.pdfIn PDF document text
- http://www.peretprod.ro/content-images/file/zisupalemu.pdfIn PDF document text
- http://timeyear-v.com/userfiles/file/80755896300.pdfIn PDF document text
- http://akvatoria.by/UserFiles/files/40092853975.pdfIn PDF document text
- http://quaint-house.com/images/blog//file/46118798534.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160804fe8a510f---pevowumara.pdfIn PDF document text
- https://venefoil.com/ckfinder/userfiles/files/fifuxug.pdfIn PDF document text
- https://razdolle.by/wp-content/plugins/super-forms/uploads/php/files/jh33b29e0seb7gu1r10729bv17/tobin.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1606d502dd40fe---56471952734.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609414ba8e764---99758975183.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/soxado.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7986b39b8---76207944712.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/jorozupisoxefikerisudebe.pdfIn PDF document text
- http://henri-ruch.ch/doc_pub/file/sekizi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=1994+coleman+tent+trailer+manualPDF 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_off0000b3e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3E9 | 15704 bytes |
SHA-256: e4126a671b26320d16998e3f5fc7227b40dfb0215944bc3e5a6549bced8c7dc2 |
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font_01_sfnt_off0000db62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB62 | 10524 bytes |
SHA-256: 32144491baae5c3ae9a25e6ea584eb7ee54e58c35f88f3f5fe970d92c9b1b1c6 |
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font_02_sfnt_off0000f36c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF36C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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