MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised websites and disposable domains, a common tactic for phishing or distributing further malware. The ML classifier and ClamAV detection strongly indicate malicious intent. The file's structure as a link farm suggests it's designed to lure users into clicking potentially harmful URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://apsencollege.org/test/fckeditor/file/29981592869.pdf In PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/8f3b6c52f3c776281a5833339bc57fa9/bovibuxotafize.pdfIn PDF document text
- http://big-blue-bus.com/pics/fotos/1/file/losifo.pdfIn PDF document text
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/f53bcde374fc87acaea3045f0a39670d/jakezolekobarudemuj.pdfIn PDF document text
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/cbf4106aaf11cb6deca382123ac92992/38256191571.pdfIn PDF document text
- http://vinczeandlaszlo.com/upload/15366256255.pdfIn PDF document text
- https://oncetrabzon.com/resimler/files/runodizidumatixof.pdfIn PDF document text
- https://fiscalonline.eu/app/webroot/files/userfiles/files/wajuzekilikizusenugifuwa.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3f28a330fa3c9dde7228efe37149282c/41559457728.pdfIn PDF document text
- https://bodymart.in/ckfinder/userfiles/files/moluzuz.pdfIn PDF document text
- http://mtreurope.com/ckfinder/userfiles/files/vodofidogovi.pdfIn PDF document text
- http://benthanhsgfarm.com/images/uploads/files/77503634395.pdfIn PDF document text
- http://calhi1974.com/clients/46234/File/65184173752.pdfIn PDF document text
- http://www.pzkexie.com/up_files/file/17817064118.pdfIn PDF document text
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c880f5eb70---vagenuz.pdfIn PDF document text
- http://clintonseniorhighclassof77.com/clients/e/ec/ec6cde7faca09d53f5ba1fe44cd32e38/File/sepanufidif.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16135995eef560---5606883262.pdfIn PDF document text
- http://moneymaker-gold.de/files/91469812363.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/d99338c417d92472e0dd859f3c3dc045/rakutugebok.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160fe363469037---vugifimutalotokidolil.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=calcitriol+dosis+pdfPDF 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_off0000d5c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5C8 | 17544 bytes |
SHA-256: 882909d94bc60fa84cb639aab07e2378e060718e5d80680555e2dbd99f2d306f |
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font_01_sfnt_off000102ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011b16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B16 | 10408 bytes |
SHA-256: fd95d82f550c52fb15285f3ea5a50b1217d816ee26ded5fb50cfbf23d824ee4d |
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