Malicious PDF — malware analysis report

Static analysis result for SHA-256 f361eb2ff38b95b7…

MALICIOUS

PDF

42.7 KB Created: 2020-08-18 13:43:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 49adb24c6d9509a49e7a624f045f946a SHA-1: 772fff30d762ab86c0594cb4ba0c030794ebb4bb SHA-256: f361eb2ff38b95b7fa423a0197fd8c3f55e40317b6b8011fe5646ca65a8fe101
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL `https://ttraff.com/pify?keyword=iala+buoyage+system+pdf+free` is identified as malicious. The document body, though partially corrupted, also contains this URL, suggesting it's the primary lure. No scripts were extracted, but the presence of a malicious redirector is sufficient to classify the attack pattern.

Heuristics 2

  • 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.
  • 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.com/pify?keyword=iala+buoyage+system+pdf+free
    • http://files.ann.envisiongalleries.com/uploads/1/3/2/8/132814219/1983201.pdf
    • http://files.amaysingsvgs.com/uploads/1/3/0/7/130739871/voxabovodekajor.pdf
    • https://cdn.shopify.com/s/files/1/0453/9298/6280/files/zotejun.pdf
    • https://cdn.shopify.com/s/files/1/0439/2134/2619/files/99950930575.pdf
    • https://cdn.shopify.com/s/files/1/0434/9257/3334/files/efficient_and_robust_automated_machine_learning.pdf
    • https://cdn.shopify.com/s/files/1/0460/5771/7915/files/13013567160.pdf
    • https://cdn.shopify.com/s/files/1/0429/5360/5273/files/54076344599.pdf
    • https://cdn.shopify.com/s/files/1/0430/8323/5489/files/kiluwitufot.pdf
    • https://cdn.shopify.com/s/files/1/0450/6284/8664/files/53058075724.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006a01.bin
6cbc9abac7d0a6da24636be7c67303b4444925d981269470b0165b23339e3d60		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A01 5540 bytes
font_01_sfnt_off00007cbb.bin
e4779ff492eae7f3b12f0f29c570a63a2906e2f9ad65fd17c0eab86f68de0258		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CBB 9928 bytes

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