MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains numerous links pointing to compromised CMS upload storage and disposable hosting, indicating a link farm designed to redirect users. The PDF's structure and the presence of multiple external URIs suggest it's intended to lead users to malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://coiffurenais.com/userfiles/file/40721838350.pdf In PDF document text
- http://clairvoyantinfotech.com/demo/images/gijovex.pdfIn PDF document text
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/a8bbc8a599b4239336995eae0205052f/resosavifaku.pdfIn PDF document text
- http://asfus.net/virgsurv/userfiles/file/38610049654.pdfIn PDF document text
- http://www.kilincsweb.hu/fileok/file/lowodesuxigobidototofo.pdfIn PDF document text
- https://pacpartner.net/images_client//imagesfile/xoxusiv.pdfIn PDF document text
- https://ewt.cz/res/file/rowigokisosogejigu.pdfIn PDF document text
- https://nslogisticservice.com/userfiles/files/234096651.pdfIn PDF document text
- http://ciskmv.com/css/file/polorosijaba.pdfIn PDF document text
- http://wsm.hk/images/uploadfiles/file/gabamutowipiteralegaroluf.pdfIn PDF document text
- http://ateliergermain.net/sites/default/files/file/1584201686.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c63ec2d875---56085516224.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa06fb47b0---67877783506.pdfIn PDF document text
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/u86oqrgtcun1k1i0s74sje3me3/72716124958.pdfIn PDF document text
- http://school19-zav.ru/userfiles/file/laxezeroralomisidu.pdfIn PDF document text
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/eff5fe127717bbb0b41e80f258055474/nokidurezap.pdfIn PDF document text
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/455ht8b96bblmbfsfmrboouhch/simote.pdfIn PDF document text
- http://hacoauto.vn/upload/files/nugewodaj.pdfIn PDF document text
- https://micsys.in/userfiles/file/vamuziximifif.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077c94623c94---kiledoxulimuwove.pdfIn PDF document text
- http://smartvoicecom.com/userfiles/24071870465.pdfIn PDF document text
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/4e65dba4f184fbedb47afbc94300d151/21404347098.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=angiosperms+sexual+reproductionPDF 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_off000103e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011bfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BFC | 11040 bytes |
SHA-256: 1af2f5b95e3e3932951fd0c818355d6836cba6d4694321f1853dfdddb7a1de58 |
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font_02_sfnt_off00013587.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13587 | 17092 bytes |
SHA-256: 55dfdf958dc59c1ee3bc3abbefb330da120519236ae095092e4c7e14815d13f3 |
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