Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1eaaa0720dd0b80…

MALICIOUS

PDF

36.5 KB Created: 2020-03-28 02:40:39 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 79ac8b2ca0a29d03a73f61e83f397b5a SHA-1: e0b1bad885d64c8e2bea28e030f607127ecd8b93 SHA-256: f1eaaa0720dd0b80ddb2f86ed7c50af1d9bb98fd4360c9134d8738896a2e748d
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links, many of which are numerically or generically named PDFs hosted on various domains. This pattern is indicative of a link farm or SEO poisoning technique, designed to drive traffic to potentially malicious sites. The primary URL points to an HTML file with a Spanish title related to sales and purchasing functions, suggesting a lure for business-related phishing or scams. No scripts were extracted, and the document body is largely obfuscated, limiting further analysis of the immediate payload.

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://myexposolutions.com/uploads/1/3/1/3/131383921/131383921.html#funciones+del+area+de+ventas+y+compras
    • http://www.mcicoil.com/uploads/1/3/0/5/130588727/2340926.pdf
    • http://petronellafoultier.com/uploads/1/3/0/4/130483236/saletokasefubiv_nulogibovazew_torotakuta_likofadejifoxuj.pdf
    • http://juniorroadnationals.com/uploads/1/3/0/7/130776100/4207609.pdf
    • http://wojimbo.com/uploads/1/3/0/7/130738565/zigetogobolufi.pdf
    • http://www.jamieparrish.com/uploads/1/3/0/3/130379138/e3a4602de77a11.pdf
    • http://illhillent.us/uploads/1/3/0/3/130379407/1188596.pdf
    • http://superiormarketing.services/uploads/1/3/0/7/130739578/vuselonuguse.pdf
    • http://cartwheelsandpinwheels.com/uploads/1/3/0/6/130605312/xikimopoxumi-tubezapu.pdf
    • http://keeping-clean.com/uploads/1/3/0/8/130813132/c0acbe5b.pdf
    • http://ralnaszy.store/uploads/1/3/0/6/130621533/7221908.pdf
    • http://irvinebathroomremodel.com/uploads/1/3/0/2/130271063/bokovozasipupo.pdf
    • http://southriverhighgreenteam.com/uploads/1/3/0/6/130620674/lakife.pdf
    • http://brokerjana.com/uploads/1/3/0/5/130542780/4872611.pdf
    • http://www.countryside-creations.com/uploads/1/3/0/6/130621691/2189138.pdf
    • http://banudivinity.com/uploads/1/3/0/7/130739895/toxorisojekiroma.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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000069d8.bin
63468d242bd0aae2985b7ce810712f9de8b71638ee0a53f72cca84402717aac4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69D8 7224 bytes

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