MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The 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 embedded URLs pointing to potentially compromised or disposable hosting. The document body is unreadable, but the presence of numerous external links suggests a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 https://securitydm.eu/slicice/file/vazusagetoritowegimi.pdf
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613b1fe77a2d7---wikidu.pdf
- http://dichvumucin.com/upload/ckupload/files/88260800086.pdf
- http://thibangoto.com/app/webroot/uploads/files/45148413152.pdf
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f2ee2082f5---26224085149.pdf
- https://rajatotogroup3.com/contents/files/17030466697.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/qp6252p70hm079q5llsqncisj6/maxoxosopibudoxewin.pdf
- https://vico-immobilien.com/ckfinder/userfiles/files/22520853615.pdf
- https://taptigrihnirman.com/singhania/downloads/file/gagerixubigev.pdf
- https://alkoplast.rs/files/70722713153.pdf
- http://ahkkpcm.org/userfiles/79778321560.pdf
- http://synergytaekwondo.com/click2buy_newp/userfiles/file/tazikoxabolowerojejar.pdf
- http://cuanhuaabshanquoc.vn/files/93267494709.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/161349282b4495---sodeteveredexoxugeb.pdf
- http://thepokewave.com/uploads/files/82837333197.pdf
- http://mebelhotel.ru/userfiles/files/16994271684.pdf
- https://butterfly-propertymanagement.com/userfiles/file/pitiwefeg.pdf
- http://lagostena.it/userfiles/files/kolepisukakukuxivivelam.pdf
- http://adidravidar.com/ckfinder/userfiles/files/dekad.pdf
- https://uslugiinzynierskie.eu/eurostyl/photos/file/dezudalane.pdf
- http://superfasttv.com/uploads/files/49180672489.pdf
- http://www.biogreeno.com/cms/ckfinder/userfiles/files/vixixa.pdf
- http://sntaviator.ru/ckfinder/userfiles/files/51160947930.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=claire+de+lune+debussy+pdf
- 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_off0000c0ad.bin55001a389608d0b32149c2176832ed43c1e0b6605607ac16506f23b50095a320 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0AD | 10660 bytes |
font_01_sfnt_off0000d8ee.bin5c6ee74853da973a6009207fafb3c72c0cc1b7a16bc343103d33f0f62ddad94a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8EE | 19748 bytes |
font_02_sfnt_off00010b76.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B76 | 16792 bytes |
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