Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d057a5d99236483…

MALICIOUS

PDF

158.3 KB Created: 2021-03-15 05:04:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: bb8ee867a51242968ccf4a0e4bc4dc7b SHA-1: 598f6ca8a8099953815fb869dbd9464e11225ea3 SHA-256: 9d057a5d992364832f572da4334fe2b87bbe9c8bf31ec33a1446b5da4678e3ba
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9540

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One 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://maypoin.ru/strik?utm_term=what+are+the+first+three+books+in+the+new+testament PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4374545/normal_6026dc7c442ed.pdfIn PDF document text
    • https://cdn.sqhk.co/luginuwi/iibFUjd/22009120481.pdfIn PDF document text
    • https://cdn.sqhk.co/girolivudafo/7eswXt2/kilusademilawil.pdfIn PDF document text
    • https://xajapeni.weebly.com/uploads/1/3/4/3/134341300/5a3c651.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4464874/normal_602332499565a.pdfIn PDF document text
    • https://nulebuset.weebly.com/uploads/1/3/1/4/131411431/nogudasafipev.pdfIn PDF document text
    • https://cdn.sqhk.co/numokafas/lsgg5Jz/center_of_excellence_model.pdfIn PDF document text
    • https://gadudomarun.weebly.com/uploads/1/3/4/7/134705140/disiwid.pdfIn PDF document text
    • https://cdn.sqhk.co/vekuperik/hchdzXo/76043873573.pdfIn PDF document text
    • https://cdn.sqhk.co/kolusugego/5ihgghi/85818483264.pdfIn PDF document text
    • https://bazunebusa.weebly.com/uploads/1/3/5/3/135397504/xurefupijop_xurelajuxumirux_wogukiziwikix_laxafu.pdfIn PDF document text
    • https://gugajapu.weebly.com/uploads/1/3/5/3/135330564/nulov-vogejorumosos-zegaxa-xenopaxiki.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382406/normal_603a5788f0d06.pdfIn PDF document text
    • https://cdn.sqhk.co/litopozuf/cidrjiQ/52119449894.pdfIn PDF document text
    • https://nivagevap.weebly.com/uploads/1/3/1/4/131438423/fonig_goboxowubegasu_jeninivejaj_retinos.pdfIn PDF document text
    • https://neseroto.weebly.com/uploads/1/3/5/3/135326238/kopakajovorajoma.pdfIn PDF document text
    • https://tovexalo.weebly.com/uploads/1/3/5/3/135348509/0024537.pdfIn PDF document text
    • http://vorafudozef.rf.gd/how_do_i_get_my_hp_printer_to_print_a_test_page.pdfIn PDF document text
    • http://rozatibex.rf.gd/74711008965.pdfIn PDF document text
    • http://mosararivifu.rf.gd/13040119917.pdfIn PDF document text
    • http://tumurubulofomam.rf.gd/xiluxisumivi.pdfIn PDF document text
    • http://tijiwef.epizy.com/zilaketitulonalasoneza.pdfIn PDF document text

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