Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa619daacb4c4e53…

MALICIOUS

PDF

42.0 KB Created: 2020-08-06 11:03:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6e800661e5f21b7ab209fdaf99ed4828 SHA-1: 35e403c5b9e1fbfa0d223ec38036baadec1fb0a8 SHA-256: fa619daacb4c4e53be75bb82e0685ff57fdc551742ef43d45204f379aee8e594
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=entrepreneurship+pdf+k12'. This URL is likely used to redirect users to malicious content. The document body also contains this URL and numerous other links to PDFs hosted on Shopify, suggesting a link farm or SEO poisoning tactic to improve search engine ranking for malicious content. No scripts were extracted from this sample.

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=entrepreneurship+pdf+k12
    • http://files.thekenbrooksshow.com/uploads/1/3/1/8/131856212/xizezaruridepe-vitizunopenafu-daxeka.pdf
    • http://files.yogainhornsby.com/uploads/1/3/2/6/132681294/xirovunudato-solatop-wukumonip-dozazavo.pdf
    • http://files.chadhanson.org/uploads/1/3/0/8/130874633/8970174.pdf
    • http://files.tattnallarchives.org/uploads/1/3/1/4/131454345/4271624.pdf
    • https://cdn.shopify.com/s/files/1/0433/6890/6906/files/45355118919.pdf
    • https://cdn.shopify.com/s/files/1/0433/6238/6074/files/bifekomurimupaduna.pdf
    • https://cdn.shopify.com/s/files/1/0441/0903/7720/files/skyrim_guide_book.pdf
    • https://cdn.shopify.com/s/files/1/0434/4525/6344/files/tegeden.pdf
    • https://cdn.shopify.com/s/files/1/0439/9883/8942/files/lufanafokiwutikuraserujof.pdf
    • https://cdn.shopify.com/s/files/1/0429/7788/6367/files/23126215174.pdf
    • https://cdn.shopify.com/s/files/1/0434/0888/3870/files/41334920132.pdf
    • https://cdn.shopify.com/s/files/1/0431/5106/5242/files/kejupuzavofirenu.pdf
    • https://cdn.shopify.com/s/files/1/0437/4292/0869/files/military_inc_by_ayesha_siddiqa.pdf
    • https://cdn.shopify.com/s/files/1/0429/8748/7385/files/rest_api_doc_template.pdf
    • https://cdn.shopify.com/s/files/1/0430/6904/6935/files/hansel_and_gretel_2013.pdf
    • https://cdn.shopify.com/s/files/1/0433/3761/3461/files/dokisidedomo.pdf
    • https://cdn.shopify.com/s/files/1/0428/5890/5759/files/7387674369.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_off000065cd.bin
fe97fc629de0e7e1978b61e33bb580f1ea068dbda87a4d478e8ae3687a1e4fb7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65CD 5092 bytes
font_01_sfnt_off00007727.bin
4a41c3d16780ff2aecb1f3d27ce095ac6ca7270d2a7ad18e0044ae0cb57ba0d9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7727 10624 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.