MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to lure users to malicious content. The presence of 'utm_term' parameters in some URLs further indicates a phishing or SEO manipulation attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://x-software.cz/data/file/52608488322.pdf In PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b2f443ebb9---88639274912.pdfIn PDF document text
- http://vetsnab32.ru/userfiles/file/galovu.pdfIn PDF document text
- https://aquatrustfina.com/userfiles/file/50741570837.pdfIn PDF document text
- http://testplanet.nl/uploads/files/dolimugi.pdfIn PDF document text
- http://cdn.eagle.mn/uploads/userfiles/files/2738920807.pdfIn PDF document text
- https://binarbaidtrading.com/public_html/userfiles/file/zovikiferilitiginisuweza.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/tefixo.pdfIn PDF document text
- http://onyx-innovations.com/assets/ckfinder/userfiles/files/34608495337.pdfIn PDF document text
- http://csaladiegyteruautok.hu/userfiles/files/9357803920.pdfIn PDF document text
- https://whatshoulditcostme.com/userfiles/file/78213386128.pdfIn PDF document text
- http://gaudi.tw/upload/files/16428615055.pdfIn PDF document text
- https://ltes2.tw-goods.com/UserFiles/files/xebafuba.pdfIn PDF document text
- http://verzorgingsindex.nl/images/uploads/32329179276.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/161321b0a7f4b6---61226833904.pdfIn PDF document text
- http://poornasreehomeoclinic.com/ckfinder/userfiles/files/15534756161.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf3fed9d6b---maragawuvadedijisolewode.pdfIn PDF document text
- https://alemarferries.alemarsnp.gr/ckfinder/userfiles/files/rizud.pdfIn PDF document text
- http://babijie.com/upload_fck/file/2021-9-4/20210904011544597842.pdfIn PDF document text
- https://gdaniec.com/upload/files/18995918486.pdfIn PDF document text
- http://tianlanip.com/filespath/files/20210910065455.pdfIn PDF document text
- http://sake-tori.com/images/library/File/xelofotezizar.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=king+arthur+legend+of+the+sword+full+movie+online+freePDF 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_off0000de1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE1B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f62d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF62D | 18752 bytes |
SHA-256: e16c626c3bc80bac092298034b6c8f31c3b49bba1b9e8d2ba630b4a4684f65a4 |
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font_02_sfnt_off000126e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126E0 | 11044 bytes |
SHA-256: a2c4850212cc10839f4e58ec84a8f135d983bba500cc666003d174f385c97b07 |
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