Malicious PDF — malware analysis report

Static analysis result for SHA-256 bca670242a568200…

MALICIOUS

PDF

48.0 KB Created: 2021-02-15 01:24:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 13ea1cf8646056ef59eb5f025eea44d7 SHA-1: 8af112e0e7625befb0f12363e702ad80aaa7e63b SHA-256: bca670242a568200c7c21c09ecd35a7ec65ca29b9b626f1b74cf9525e2b3c742
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

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 0.8309

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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://leonvi.ru/123?utm_term=christmas+pajama+pants+unisex PDF link annotation
    • https://cdn.sqhk.co/wifopuzuxiba/ibhgrdN/perfect_ice_cream_app.pdfIn PDF document text
    • https://cdn.sqhk.co/musutalivun/ghdiagf/tewuzofozuvunekinubewifi.pdfIn PDF document text
    • https://cdn.sqhk.co/mibemofega/f3ijTid/mega_man_mobile_free_download_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/xojelumegasi/drNmjh8/10_000_dice_game_score_sheet_printable.pdfIn PDF document text
    • https://rukupapafi.weebly.com/uploads/1/3/0/7/130739745/vewasune.pdfIn PDF document text
    • https://cdn.sqhk.co/kufiremikaf/ojdicgc/space_arcade_carpet.pdfIn PDF document text
    • https://cdn.sqhk.co/xakutofi/ciggfNb/toon_blast_champions_league_stage_13.pdfIn PDF document text
    • http://magic-spring.com/jaxegevebozudamago3hyq.pdfIn PDF document text
    • https://cdn.sqhk.co/vibisimak/figjbgd/veronica_mars_marshmallow_gif.pdfIn PDF document text
    • https://cdn.sqhk.co/zexukobesu/SQZicSX/simaxarenovofev.pdfIn PDF document text
    • https://cdn.sqhk.co/soredepel/ejhgdjb/flower_garden_acnh_ideas.pdfIn PDF document text
    • https://s3.amazonaws.com/divexikav/fortigate_200d_ips_configuration_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/dinisemowoge/add_comments_to_cloudformation_template.pdfIn PDF document text
    • https://s3.amazonaws.com/dufekifaral/98408274775.pdfIn PDF document text
    • https://s3.amazonaws.com/fekife/conceptual_physics_textbook_chapter_2_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/vipuxafol/mezafo.pdfIn PDF document text
    • https://s3.amazonaws.com/tazopaju/63009541663.pdfIn PDF document text

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