Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea1a560df2409a17…

MALICIOUS

PDF

41.7 KB Created: 2020-04-11 08:14:40 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7f8ffe582a8febe173d2e51f5527a4c8 SHA-1: 11361b9738045148a45cd2820469cc44e499080a SHA-256: ea1a560df2409a17aa6533d62b0e563fe595e18fd97c077e1472f2b665e59cc6
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 point to PDF files with numeric or slug-based paths on various domains. This pattern is indicative of a link farm or SEO poisoning technique, likely intended to drive traffic or host malicious content. One specific URL, http://74-123-72-68.mgwnet.com/uploads/1/3/0/8/130874522/130874522.html#breeze%27s+armor+fix, is directly embedded in the document body, suggesting a primary lure. No scripts were extracted, and the document body content is heavily 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://74-123-72-68.mgwnet.com/uploads/1/3/0/8/130874522/130874522.html#breeze%27s+armor+fix
    • http://corridorbaptist.com/uploads/1/3/0/5/130589427/mitanusas-xovegonilawanog.pdf
    • http://cahabariverdesigns.com/uploads/1/3/0/2/130273626/4809844.pdf
    • http://sandalkarakter.com/uploads/1/3/0/3/130324191/4409102.pdf
    • http://buzzsmokeshop520.com/uploads/1/3/0/7/130740048/3cd7f758.pdf
    • http://mvp4ever4u.com/uploads/1/3/1/0/131070362/guwipexatejod.pdf
    • http://pingreehillprovisions.com/uploads/1/3/0/6/130605190/ximaxanagosoteka.pdf
    • http://nachomamanc.com/uploads/1/3/0/9/130969673/pekofoxumigikigajido.pdf
    • http://southeastsuperregional.com/uploads/1/3/0/7/130776483/fudowab-pepivuri-rugerekobiriri-tazekojazepa.pdf
    • http://hogietrading.com/uploads/1/3/1/4/131453174/2560126.pdf
    • http://connectingcoffee.com/uploads/1/3/1/1/131163638/5ae0446c710428d.pdf
    • http://eclectic-shamanism.com/uploads/1/3/0/9/130969247/759b886c5.pdf
    • http://createalifethatinspiresyou.com/uploads/1/3/0/3/130313612/62f0596607443.pdf
    • http://matmaydesigns.net/uploads/1/3/1/4/131453232/040b76293e3f2.pdf
    • http://batista-contradictions.com/uploads/1/3/0/8/130874329/kumuzerajutokup-vuratej-namifuxegej-wonor.pdf
    • http://conwayvacationrental.com/uploads/1/3/0/8/130813403/pexisaduk.pdf
    • http://hogietrading.com/uploads/1/3/1/4/131453174/256012
    • 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_off000079ac.bin
dc4a7762962272944d1d9eebdba03b8e5985d8b5c980837b3ef396d3a768b7ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79AC 8524 bytes

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