MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many pointing to compromised websites or disposable hosting, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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 https://infrive.ru/uplcv?utm_term=the+legend+of+zelda+twilight+princess+nintendo+gamecube+rom PDF link annotation
- https://lecachet.fr/docs/files/37205987275.pdfIn PDF document text
- http://www.cbs-emballages.com/upload/file/lorigepexovuzevuriwedo.pdfIn PDF document text
- http://terredellamagnagrecia.com/userfiles/files/44676737994.pdfIn PDF document text
- http://gruppocaminiti.it/userfiles/files/xosaladelamimawovo.pdfIn PDF document text
- http://www.hausbaumesse.at/ckfinder/userfiles/files/29528784457.pdfIn PDF document text
- http://unewstoday.com/task/userimages/file/bopelari.pdfIn PDF document text
- https://hchoanglong.vn/userfiles/file/vunugagonuxobijomube.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16133bf0a72d84---38282652050.pdfIn PDF document text
- https://www.lipca.com/ckfinder/userfiles/files/36819996070.pdfIn PDF document text
- https://cobrawire.com/userfiles/files/rekanoset.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/8077ef49012eba31e37e051ca737226d/rowizolexofalanapo.pdfIn PDF document text
- http://alacarte-grafik.de/userfiles/file/71325538615.pdfIn PDF document text
- http://rebeccaosborne.com/uploads/takiz.pdfIn PDF document text
- http://hosungtour.net/FileData/ckfinder/files/20210917_1039BE6AFB0A2968.pdfIn PDF document text
- https://lecachet.fr/docs/files/zimusakivek.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/1613238056a678---bekawiri.pdfIn PDF document text
- http://lunaleo.pl/userfiles/file/63995971872.pdfIn PDF document text
- http://drukarnia-skawina.pl/app/webroot/media/files/wagaxelefowex.pdfIn PDF document text
- https://caror.hu/ckfinder/userfiles/files/kapidu.pdfIn PDF document text
- https://talaa-obour.com/webmisr/uploadwebmisr/file/gonivowovizosizituwit.pdfIn PDF document text
- http://www.dreamstoreonline.es/ckfinder/userfiles/files/vapuwabitezuturuzuniguve.pdfIn PDF document text
- 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_off0000ae8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE8B | 15168 bytes |
SHA-256: 3027ecc6c0f24e1071f297f5a0ef64e6589fb316c1bb50787dafac2b765059b5 |
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font_01_sfnt_off0000d51d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD51D | 11416 bytes |
SHA-256: 79be101814ce6d727addefbfbceca9563e682fb5559124044957687c6810e280 |
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font_02_sfnt_off0000ef92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF92 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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