MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to various external URLs, some hosted on compromised WordPress sites. The presence of numerous URLs, including those with 'utm_term' parameters, suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://queure.ru/uplcv?utm_term=windows+7+img+download PDF link annotation
- https://xn--fct8ml6mwue.tw/uploads/files/85753630662.pdfIn PDF document text
- https://valubil.com/public/uploads/cms_file/cms_files/fanudo.pdfIn PDF document text
- http://fitsiluet.cz/data/file/41012477456.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/9eb9d3a8a0fce6b0259daf160a83c159/tinoserujexafuko.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/161347b15c841f---jeduzesiwewujizuwo.pdfIn PDF document text
- http://agro-pasz.pl/ckfinder/userfiles/files/sivuwesoxelutexodasabake.pdfIn PDF document text
- http://restauraceeverest.cz/userfiles/file/51478472115.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9d1b82dbc---zikebikabigagitenadebare.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/161386d88ecaeb---gigonijev.pdfIn PDF document text
- http://kartinatv.org/uploads/files/duwafug.pdfIn PDF document text
- https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/janujorituzev.pdfIn PDF document text
- https://proartgaleria.hu/files/files/97810464887.pdfIn PDF document text
- http://affordableadobe.com/ckfinder/userfiles/files/2901827364.pdfIn PDF document text
- https://nutrishop.in/ci/userfiles/files/basizarobojekunirar.pdfIn PDF document text
- https://www.esfa.bg/root/ckfinder/userfiles/files/kovowebijubakagavem.pdfIn PDF document text
- https://dolmalatrek.com/userfiles/file/83224721898.pdfIn PDF document text
- https://swagath.co/new/ckfinder/userfiles/files/numuzot.pdfIn PDF document text
- http://frigotechreina.com/userfiles/files/bakeliponogobafetilanub.pdfIn PDF document text
- https://fetogram.com/images/upload/files/vasatipanikavipejole.pdfIn PDF document text
- https://noursportevents.com/wheelmarine/userfiles/file/jazuramejakopefos.pdfIn PDF document text
- http://www.americaninvest.net/upls/files/nageton.pdfIn PDF document text
- https://callmarkinvestments.com/callmark/files/bajudogopexefukug.pdfIn PDF document text
- https://adeptos.clevercloud.pt/images/items/files/wuzimejipo.pdfIn PDF document text
- https://daaeportrett.no/upload/file/15003437216.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_off0000dd2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD2C | 10392 bytes |
SHA-256: 0c7eada57ab18ee4ab12ac638308babcb3826ee2ce5909fac91f0a4147540c30 |
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font_01_sfnt_off0000f477.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF477 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010c89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C89 | 16484 bytes |
SHA-256: 75f289832e3425fb70127f66f73605182fc075d92f092c549e5d51f980a8cbc4 |
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