MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external resources, many of which point to compromised WordPress uploads or disposable hosting, suggesting a link farm designed to redirect users. The presence of PDF_RANDOM_URL_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this, indicating the file's primary function is to distribute or redirect to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://appli-veolia.net/ckfinder/userfiles/files/limasekix.pdf
- http://mtcnx.com/upload/fckimagesfile/6363059030.pdf
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/dfde4eabd46e5e445e1df7e95f07ba8b/78658989021.pdf
- http://dataprint.ie/uploads/file/jupusojuwuninoxigif.pdf
- http://swaarm.de/app/webroot/upload/files/71146644666.pdf
- https://thietbixanh.net/uploads/files/95096299757.pdf
- http://synthecinter.com/userfiles/files/21390240761.pdf
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1613a96077b390---56321286832.pdf
- http://alnoorcity.com/userfiles/file/pewesigezanitosot.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/161404322b1204---76885276633.pdf
- https://kalitelivideoizle.com/resimler/files/84217521698.pdf
- http://jplus-ag.com/upload/files/BodyFile__613E3DBB430B1.pdf
- https://ambulatorioveterinariosismondi.eu/file/zujerapomuguseta.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/9ec5e24fc01710891b268677d4d0b298/datuwegenorawofejojuful.pdf
- https://kawanmto.net/contents/files/86117610734.pdf
- http://stagegator.scorchmark.com/stagegator/ckfinder/userfiles/files/63610724376.pdf
- http://bioaec.com/userfiles/files/tanobuposazugur.pdf
- http://bubb.cn/up_file/file/pedefusa.pdf
- https://sakura-bashi.com/uploads/files/202109120950571900.pdf
- http://dautuck.com/uploads/userfiles/file/xowot.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=anatomy+and+physiology+patton+and+thibodeau+10th+edition+pdf+free
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000abdd.binda436d9e2c0861061e8407046bd5cbd81c8a19be11b550518d9dc68f0aa48f5d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABDD | 16416 bytes |
font_01_sfnt_off0000d5d3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5D3 | 16792 bytes |
font_02_sfnt_off0000edea.bin1e2753a7e09b48181f7db3c52f5b2f8db941ebf6da23086b43f423960a4deac4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDEA | 11452 bytes |
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