Malicious PDF — malware analysis report

Static analysis result for SHA-256 f55db38ea53c9ecb…

MALICIOUS

PDF

41.4 KB Created: 2020-08-06 15:33:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 92f4bd71c3a626deb8bf1c0a73c2cf26 SHA-1: 49c55f3ce025a9e7f99f58832b6768926cba2be5 SHA-256: f55db38ea53c9ecba248a2122f7b7bfd124be4f5fa1c529052c0f4152d0b37da
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic identifying a malicious redirector. The document body and embedded links suggest a lure for downloading content, which redirects to a known malicious domain. The primary malicious IOC is the ttraff.com redirector URL.

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.com/pify?keyword=bhagavad+gita+yatharoop+online+free+download+pdf
    • http://files.coldwatercreekranch.com/uploads/1/3/1/4/131412603/zakulajawogin-vijasewozevugap.pdf
    • http://files.alluringaffairs.net/uploads/1/3/1/4/131411688/8744432.pdf
    • http://kujajet.turfcroquet.com/uploads/1/3/0/8/130874038/zowibex.pdf
    • http://files.mrguira.com/uploads/1/3/2/7/132712093/pulokaxel.pdf
    • http://files.mrsclynedaviscoolclass.com/uploads/1/3/1/0/131069950/kafobamenoxagugisigu.pdf
    • https://cdn.shopify.com/s/files/1/0427/5296/6812/files/2289608154.pdf
    • https://cdn.shopify.com/s/files/1/0432/2865/9874/files/mazak_operating_manual.pdf
    • https://cdn.shopify.com/s/files/1/0432/3121/5780/files/32594520162.pdf
    • https://cdn.shopify.com/s/files/1/0437/4590/2746/files/97343797829.pdf
    • https://cdn.shopify.com/s/files/1/0429/6255/0940/files/unity_2020_augmented_reality_projects.pdf
    • https://cdn.shopify.com/s/files/1/0432/2790/6206/files/75373066573.pdf
    • https://cdn.shopify.com/s/files/1/0439/6980/6494/files/residuos_solidos_inorganicos.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/54313135065.pdf
    • https://cdn.shopify.com/s/files/1/0438/2018/7805/files/28803988050.pdf
    • https://cdn.shopify.com/s/files/1/0430/1278/4277/files/58670380217.pdf
    • https://cdn.shopify.com/s/files/1/0437/8545/3728/files/lagiwadu.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000567a.bin
833236b08a588bcfdebe03cabcd5441802b8c25a8a9781a2d056515ebc4b3d75		 pdf-font-stream PDF embedded font (sfnt) at offset 0x567A 5216 bytes
font_01_sfnt_off00006851.bin
e38d4891f2f18449eccc925f55b7a99ca213701de930dd492e3a750706fdc47e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6851 9948 bytes
font_02_sfnt_off00008a5b.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A5B 4324 bytes

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