Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b0c437085ede46d…

MALICIOUS

PDF

12.3 KB Created: 2020-10-02 04:45:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 8c6fab659c7e4019c1d33717e3a709b5 SHA-1: b2f2c1898db0c1cb67ce19239c540760ffacb365 SHA-256: 1b0c437085ede46dac74c0f08ae56fdbf0c4394646787ba3f94cc69bf3a6d305
172 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF is identified as an image-only lure, typical of phishing campaigns. It contains a critical malicious redirector link pointing to 'https://gettraff.ru/strik?keyword=avoir+etre+faire+aller+exercices+pdf', which is designed to lead users to further malicious content. The document also hosts a large number of external PDF links, suggesting it's part of a link farm intended to manipulate search engine results or distribute payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9965

Heuristics 4

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 12 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://gettraff.ru/strik?keyword=avoir+etre+faire+aller+exercices+pdf In PDF document text
    • http://torepif.riverfieldacademy.com/uploads/1/3/0/7/130775403/gatojazozu.pdfIn PDF document text
    • http://files.reaassociates-blog.com/uploads/1/3/1/8/131871907/2eeceae3a.pdfIn PDF document text
    • http://files.taggartcr.com/uploads/1/3/0/7/130775850/1f517eec.pdfIn PDF document text
    • http://files.bryndolman.com/uploads/1/3/1/0/131070588/6863837.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7418/1534/files/the_verb_tener_worksheet_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0951/5425/files/juwixobi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3010/1668/files/amazon_prime_video_mod_apk_download_latest_version.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3013/3408/files/this_old_man_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4131/6249/files/ohio_works_first_phone_number.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0494/1696/2215/files/tevajelixazegisuk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0469/4697/5905/files/dancer_badge_brownies_requirements.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0478/7172/1638/files/wolf_In PDF document text

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