MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm. Multiple heuristics indicate the PDF is designed to host numerous links pointing to disposable domains, a common tactic for phishing and scam operations. The embedded URLs and the PDF structure strongly suggest an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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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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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://asja-doll.ru/userfiles/file/wijidowu.pdf In PDF document text
- http://woykoff.hu/upload/file/29792309812.pdfIn PDF document text
- http://snap-drone.com/userfiles/file/jekuwepujufi.pdfIn PDF document text
- http://villkasz.hu/editor_up/9495912758.pdfIn PDF document text
- https://kamhosting.nl/ckfinder/userfiles/files/kipurikokawurevililerirod.pdfIn PDF document text
- http://huerural.com/uploads/image/files/24357373101.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615613995f7df---59055202759.pdfIn PDF document text
- http://yearbookplus.com/uploads/ckfinder/files/2536143504.pdfIn PDF document text
- https://webmenuplus.com/images/file/82699424281.pdfIn PDF document text
- http://sicilyontable.it/userfiles/files/tovegofet.pdfIn PDF document text
- http://daphongthuyhueminh.com/uploads/image/files/xedit.pdfIn PDF document text
- https://ww170001.linebot.net/upfile/files/20210928102913.pdfIn PDF document text
- https://adepotcustom.com/UploadFiles/file/20210903091701103.pdfIn PDF document text
- https://giasidaily.com/uploads/userfiles/file/lidus.pdfIn PDF document text
- https://tavfelugyelet.megujuloenergiapark.hu/admin/ckfinder/userfiles/files/namapemuxazejowajidaseb.pdfIn PDF document text
- http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/zuwinuxemozasa.pdfIn PDF document text
- https://kungfuclasshongkong.com/louis/taichi/ckfinder/userfiles/files/fababajawuxupexuxojezokex.pdfIn PDF document text
- https://108pizza.pl/uploads/userfiles/files/gupakasizugedi.pdfIn PDF document text
- https://kawanmto.com/contents/files/lufotukipedimisunomezegal.pdfIn PDF document text
- http://baltic-rt.ru/ckfinder/userfiles/files/luzidevijugizubixe.pdfIn PDF document text
- https://kiofruits.com/admin/uploads/files/mosiguwajonodinojidugir.pdfIn PDF document text
- https://migger.dk/userimages/file/lobutidegisisotu.pdfIn PDF document text
- http://sunnysolutions.it/uploads/assets/file/sebuvojusa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=r+machine+learning+tutorialPDF 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_off0000ae9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE9B | 10656 bytes |
SHA-256: 886705e62dcae7cc71ae9ace7c725f3928662fede61e6aebcd2c45d64c8d403e |
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font_01_sfnt_off0000c6d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6D5 | 15892 bytes |
SHA-256: 193047fb81acda15b0662bca03f715e7b61ca7db9b713a8ec214822445506f32 |
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font_02_sfnt_off0000ef47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF47 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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