Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad79e88ab0fe55ec…

MALICIOUS

PDF

55.2 KB Created: 2020-10-31 08:51:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9229ca349108b5d7f29222cab5559884 SHA-1: 3144062218974baab375de7361f6cddd49c6aa87 SHA-256: ad79e88ab0fe55ec6cc7a3dbad61461a88fe755cd31c1d0fcf0d9dbc7650fe38
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, many of which point to benign Shopify domains, but one critical link directs to a known malicious redirector. This suggests the document is part of a link farm or SEO manipulation scheme designed to drive traffic to malicious infrastructure. The presence of embedded URLs and the PDF structure strongly indicate an attempt to lure users to malicious sites, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9861

Heuristics 3

  • 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.
  • 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://ttraff.ru/pify?keyword=kasam+tere+pyaar+ki+episode+200
    • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/tifuxasorelav-sunagutigu-gikisifexixabot.pdf
    • https://kekerisasil.weebly.com/uploads/1/3/0/7/130775365/wesudemapemifagu.pdf
    • https://sukowaletudevux.weebly.com/uploads/1/3/0/8/130874669/7065536.pdf
    • https://jakemujilofadam.weebly.com/uploads/1/3/1/3/131380171/28988affc123d.pdf
    • https://s3.amazonaws.com/jaxesabi/four_quadrant_coordinate_grid.pdf
    • https://cdn.shopify.com/s/files/1/0504/4151/9258/files/power_electronics_interview_questions.pdf
    • https://cdn.shopify.com/s/files/1/0484/1059/1390/files/18553172010.pdf
    • https://cdn.shopify.com/s/files/1/0500/8556/0506/files/doctor_edgar_contreras_cirujano_plastico.pdf
    • https://cdn.shopify.com/s/files/1/0498/7227/3566/files/download_tema_ios_alakadarnya_11_apk.pdf
    • https://s3.amazonaws.com/megelugik/epi_test_max.pdf
    • https://cdn.shopify.com/s/files/1/0502/7545/1053/files/ellipsis_worksheet_with_answers.pdf
    • https://cdn.shopify.com/s/files/1/0477/1518/8892/files/hotspot_shield_apk_download_uptodown.pdf
    • https://uploads.strikinglycdn.com/files/0860443b-e040-4706-b399-b8b5282d5cba/vaxuvazanaw.pdf
    • https://cdn.shopify.com/s/files/1/0484/9159/3883/files/91427100315.pdf
    • https://s3.amazonaws.com/pujirageg/chemistry_sat_subject_test_study_guide.pdf

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