Malicious PDF — malware analysis report

Static analysis result for SHA-256 36b2310520a2d8be…

MALICIOUS

PDF

32.9 KB Created: 2020-04-10 11:43:16 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5c5c1e2691dc2dd873895ca7f370ae94 SHA-1: b73036295a6cd7dae36ef9de7e639d5fd344a64e SHA-256: 36b2310520a2d8be41fbeba60771c4db873d8d9326b9cd7215209da9e66a7b07
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified as a link farm, disguised as a service manual. The primary heuristic indicates a PDF_SEO_LINK_FARM, suggesting the document's purpose is to host numerous links to other potentially malicious sites. The embedded URLs are likely part of this scheme to redirect users to malicious content.

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://ppaccttaxservices.com/uploads/1/3/0/3/130323967/130323967.html#carrier+weathermaker+8000+58wav+service+manual
    • http://divinegrace101.com/uploads/1/3/0/5/130540559/kifuvodufibip.pdf
    • http://patchoblue.com/uploads/1/3/0/4/130476162/pozelid-soxomudoz.pdf
    • http://clinicalgaming.online/uploads/1/3/0/7/130775646/6a22139bab1fa3c.pdf
    • http://topleveltoys.com/uploads/1/3/0/4/130435741/1826178.pdf
    • http://stokesdalegsm.org/uploads/1/3/0/6/130621703/fewopamogijugebugone.pdf
    • http://ashratner.com/uploads/1/3/0/4/130435511/zaxixapamutem.pdf
    • http://jeffandhollycollectiblesandgifts.com/uploads/1/3/1/3/131379371/tasabebobarom_kebanunozo_gukowenuj.pdf
    • http://chuchies.store/uploads/1/3/0/7/130740187/5fa6d7e1.pdf
    • http://christlikeonline.com/uploads/1/3/0/7/130738875/masobedovuzumol-nofefuwunarifiz-sujawigiwenudus-nikutojan.pdf
    • http://bsbac.org/uploads/1/3/0/7/130776343/6857283.pdf
    • http://desotoeaglesfootballboosterclub.com/uploads/1/3/0/5/130588395/mofalu.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_off00005a58.bin
d900af89658cf0b7e39c5fd22e8e618c76626de8c1d12f6b15fa61daa823d2fe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A58 7156 bytes

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