Malicious PDF — malware analysis report

Static analysis result for SHA-256 120faec6fefcf93d…

MALICIOUS

PDF

69.5 KB Created: 2021-03-21 04:30:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 33ca3148afc07d93bf4646144e710a6e SHA-1: 59c682ebd82b6552e60c78cf070ed7e8d2be16e6 SHA-256: 120faec6fefcf93de98684039415933a6ab2ba6dbd8719765b3ead710fb3c352
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous external links, with one specifically pointing to 'fokemale.ru'. Heuristics indicate it's a link farm on disposable hosting, and ML classifiers and ClamAV strongly flag it as malicious. The presence of embedded URLs suggests an attempt to redirect the user to potentially malicious content, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8294

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://fokemale.ru/award?keyword=hallelujah+cello+sheet+music+free+pdf PDF link annotation
    • https://pabifiliponisod.weebly.com/uploads/1/3/4/3/134367040/2f6bab13879130.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4455207/normal_60029a45df0ba.pdfIn PDF document text
    • https://nusuxoxoli.weebly.com/uploads/1/3/2/7/132710665/kulosamebesek-zexanokuxagawa.pdfIn PDF document text
    • https://zudibuliri.weebly.com/uploads/1/3/5/3/135319562/nowasadi.pdfIn PDF document text
    • https://cdn.sqhk.co/somisafeg/ojbhehf/team_pulse_check.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384647/normal_601173480940d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4462344/normal_6008e1ab5fe93.pdfIn PDF document text
    • http://teragoronowaki.iblogger.org/65668040020.pdfIn PDF document text
    • https://cdn.sqhk.co/wosepimi/icvhhGr/fiwebetarogawamarebazixa.pdfIn PDF document text
    • https://vobogokofudukig.weebly.com/uploads/1/3/0/7/130775751/e65c4285e5c5d72.pdfIn PDF document text
    • https://lozofuxoxezutuw.weebly.com/uploads/1/3/5/3/135303337/4945884.pdfIn PDF document text
    • https://figerifefiter.weebly.com/uploads/1/3/4/3/134343277/dowedazebuxawano.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501645/normal_5fd5f552cbd97.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xetobagog.rf.gd/pepegu.pdfIn PDF document text
    • http://kosidigipetuvu.epizy.com/oreck_air_purifier_truman_cell_cleaner.pdfIn PDF document text
    • http://pewusufep.epizy.com/nespresso_cs20_milk_frother_manual.pdfIn PDF document text
    • http://sejekowosabukog.epizy.com/i_hope_it_will_be_great_meaning.pdfIn PDF document text
    • http://famifel.rf.gd/vcf_file_format_viewer.pdfIn PDF document text
    • http://turijebudeta.rf.gd/ziberol.pdfIn PDF document text
    • http://bezafesu.rf.gd/corazon_de_nio_richard_clayderman.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ea46.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA46 5432 bytes
SHA-256: 05ef9bf2944170f714d0b62f1a3b57b2bfdce48296d621c209e4704044b093c5