MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous external URIs and link farms hosted on potentially compromised or disposable domains, suggesting a phishing or malware distribution scheme. The presence of multiple links to WordPress upload directories further supports the idea of compromised infrastructure being leveraged for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://ketchas.ru/uplcv?utm_term=wallpaper+video+for+android PDF link annotation
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/dac6d3837146485ba0e4f91cf8bd63f0/dokufipepapok.pdfIn PDF document text
- http://master-vin.ru/files/file/demobabakafotusaneke.pdfIn PDF document text
- https://lensmam.com/userfiles/file/15821701174.pdfIn PDF document text
- http://staceyasp.com/UserFiles/file/xaxusepovizopaf.pdfIn PDF document text
- http://linuxnewyork.com/draft/media/dakawuwufaf.pdfIn PDF document text
- https://www.willmarshelter.com/ckfinder/userfiles/files/lawiwematapetukam.pdfIn PDF document text
- https://whereestar.com/marinarubicon/admin/file/54974602688.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b9a4ed8611---69389645355.pdfIn PDF document text
- http://2017.letnifestiwal.pl/ckfinder/userfiles/files/bigezemuvumiritugefipume.pdfIn PDF document text
- http://leylatoprak.com/userfiles/file/pifog.pdfIn PDF document text
- http://www.texaco.bargiel.com.pl/ckfinder/userfiles/files/mazevezasawuda.pdfIn PDF document text
- http://www.eau-msu.ru/ckfinder/userfiles/files/rupifumimemuxakomaxumen.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/8c5b2ea37cd4ba8dbf9229ea3c5f3aca/22936494690.pdfIn PDF document text
- https://patriciogaete.com/upload/file/30752279843.pdfIn PDF document text
- https://windsbs.biz/files/file/pewiguzuwifakijo.pdfIn PDF document text
- https://www.moxiclear.com.au/application/third_party/ckfinder/userfiles/files/bonotat.pdfIn PDF document text
- http://safetyassessmentsolutions.co.uk/ckfinder/userfiles/files/lewejimidipiwudet.pdfIn PDF document text
- http://komputerzagrosze.pl/userfiles/file/86865369582.pdfIn PDF document text
- https://havilahbuilders.com/userfiles/file/16373660164.pdfIn PDF document text
- http://thy-environment.com/userfiles/files/25399532380.pdfIn PDF document text
- https://nikunjfoundation.org/ckfinder/userfiles/files/pelinut.pdfIn PDF document text
- https://keepingscore.org/userfiles/file/rifoxataga.pdfIn PDF document text
- http://mvpbuilding.com/userfiles/file/xanobolimuv.pdfIn PDF document text
- http://drapikowski.pl/uploaded/fck_files/file/fawodeluwelizanodetipuguf.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_off0000d9f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9F3 | 17432 bytes |
SHA-256: 9b197240f08eaaa42487f44b43fb4342a6e9fc6ccda2c3024dd652223725dbc4 |
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font_01_sfnt_off00010723.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10723 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011f3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F3A | 10284 bytes |
SHA-256: 73f4bb1d10018f5265bdf851b22519ae44d66e66c6699f556e5c3bc55a984085 |
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