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, indicating a high likelihood of malicious intent. It contains numerous links pointing to potentially compromised websites, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links are consistent with techniques used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16146936782947---21697040247.pdf In PDF document text
- http://swancentive.com/cote_dor_import/admin/ckfinder/userfiles/files/40745066862.pdfIn PDF document text
- http://xprchemical.com/upload/files/jirugazeta.pdfIn PDF document text
- http://styrexon.cz/userfiles/file/89367846699.pdfIn PDF document text
- https://sikanderajam.com/Robinson/ckfinder/userfiles/files/kanufuk.pdfIn PDF document text
- https://citronixdeflection.com/nbloom/fckuploads/file/96431034200.pdfIn PDF document text
- http://modulobase.com/userfiles/file/84568672595.pdfIn PDF document text
- http://bsp-oblspl.org/ckfinder/userfiles/files/sizovigafamav.pdfIn PDF document text
- https://hoatuoi360.vn/uploads/files/41081816362.pdfIn PDF document text
- http://novena99.com/uploads/files/202109050054075284.pdfIn PDF document text
- http://everest-c.ru/ckfinder/userfiles/files/36397369192.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/556c8c0f2888ce031d6ae0cc839f9e92/besobubizetuvavodix.pdfIn PDF document text
- https://sibirprokat.ru/ckfinder/userfiles/files/11332041451.pdfIn PDF document text
- https://tectrongim.com/uploads/files/ninovetekizabefiwe.pdfIn PDF document text
- http://tverzhilservis.ru/foktver.ru/ckfinder/userfiles/files/90439061371.pdfIn PDF document text
- http://dayou.tw/uploadpic/files/202109100910507246.pdfIn PDF document text
- http://tulga.ru/editor/files/92811067066.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/37279058506.pdfIn PDF document text
- http://www.xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/kivefaviwabekabuseb.pdfIn PDF document text
- http://hissekurban.com/resimler/files/getemepoleves.pdfIn PDF document text
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/939e9270d46127633a72df005851e8d1/sizujozugolekodit.pdfIn PDF document text
- http://tianlanip.com/filespath/files/20210902092356.pdfIn PDF document text
- http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/96705073179.pdfIn PDF document text
- http://szzxwx.com/Upload/Upload/file/202193125254281.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=watch+hunger+games+catching+fire+freePDF 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_off0000c76d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC76D | 17112 bytes |
SHA-256: c7673ce366fccc15908c1f1221777b8d78ed5e11df1cc253a4f4fa7e907eaa26 |
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font_01_sfnt_off0000f363.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF363 | 10712 bytes |
SHA-256: 68f4037e8cc0498004d0d0f6276cf8285affed2ebea0f52c19f31c34d1dcdd26 |
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font_02_sfnt_off00010bda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BDA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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