Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa60d323ab8efaa7…

MALICIOUS

PDF

42.4 KB Created: 2020-08-10 14:03:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7e2c0af7de0bcdf22f9569e82e189a32 SHA-1: 4a0acf35c423507984fa3d54723bea4dab66b0f8 SHA-256: fa60d323ab8efaa72e4a7de754c2da9be60845a793367f8ca130f5a297db0694
120 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One critical heuristic firing indicates a link to a known malicious redirector infrastructure at `https://ttraff.cc/pify?keyword=scrum+master+certification+dumps+pdf`. The document body, though partially corrupted, contains text related to "Scrum master certification dumps pdf", suggesting a lure to trick users into clicking the malicious link. 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.cc/pify?keyword=scrum+master+certification+dumps+pdf
    • http://files.johncobbphotography.com/uploads/1/3/1/6/131637038/3197393.pdf
    • http://files.mannyslampcave.com/uploads/1/3/0/7/130740213/dotatosamo_sarigugiwuv_kunig_nizuxijod.pdf
    • http://files.rockheightsvacationrental.com/uploads/1/3/1/3/131379099/bawesokusobaler-wagob.pdf
    • http://tugaj.foodanimalbiosciences.org/uploads/1/3/1/4/131407178/moruwadafaji.pdf
    • http://veduxik.comsenfit.com/uploads/1/3/1/4/131406082/4520144.pdf
    • https://cdn.shopify.com/s/files/1/0440/7263/2470/files/ibps_banking_syllabus.pdf
    • https://cdn.shopify.com/s/files/1/0434/3690/0504/files/fikazowabakoveba.pdf
    • https://cdn.shopify.com/s/files/1/0431/9028/8535/files/97959870909.pdf
    • https://cdn.shopify.com/s/files/1/0438/6878/2757/files/cell_structure_and_function_ncert.pdf
    • https://cdn.shopify.com/s/files/1/0428/7833/7187/files/72783064120.pdf
    • https://cdn.shopify.com/s/files/1/0432/0215/0557/files/rezunevizefudebexojeboj.pdf
    • https://cdn.shopify.com/s/files/1/0432/2207/3506/files/97014603897.pdf
    • https://cdn.shopify.com/s/files/1/0428/8066/3705/files/woodworking_plans_free.pdf
    • https://cdn.shopify.com/s/files/1/0441/2165/3400/files/72115617178.pdf
    • https://cdn.shopify.com/s/files/1/0433/3531/9711/files/76836841526.pdf
    • https://cdn.shopify.com/s/files/1/0437/9312/1442/files/european_food_research_and_technology.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_off000065f9.bin
29d290d0ded43e4865f864d63718bdf0a10a848a5bdbcd8b6009974fa21072e2
pdf-font-stream PDF embedded font (sfnt) at offset 0x65F9 5372 bytes
font_01_sfnt_off00007820.bin
758aec8ba6d87860b5c541636847f33d24772a041d5fd819d1db97779bd6946c
pdf-font-stream PDF embedded font (sfnt) at offset 0x7820 10648 bytes