Malicious PDF — malware analysis report

Static analysis result for SHA-256 df0180f5e963322c…

MALICIOUS

PDF

45.2 KB Created: 2020-04-09 12:50:34 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5c3b8763f1547a70df99728ea812f5fd SHA-1: 4b38ca890eb6613e6db6ecd19c556c47f3fde988 SHA-256: df0180f5e963322c1c1c5458f35e155a31a50528f5eaf3115bda6304a440b09c
70 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to other PDF files on various domains, indicating a link farm or SEO manipulation tactic. The document body, though heavily obfuscated, contains references to 'parts diagram' and 'hp officejet 7612', suggesting a lure to disguise the malicious intent. The presence of numerous unknown reputation URLs strongly suggests a malicious distribution or redirection scheme.

Heuristics 4

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://afitoapp.com/uploads/1/3/0/7/130775501/130775501.html#hp+officejet+7612+parts+diagram
    • http://rocnifinland.net/uploads/1/3/0/8/130874260/xerovajokifimo_sijosisugobob.pdf
    • http://lightscameracandles.com/uploads/1/3/0/6/130639508/d0e220cf.pdf
    • http://photoframerpro.com/uploads/1/3/0/5/130589207/tiled_filovokiw.pdf
    • http://federaloffers.com/uploads/1/3/0/8/130874126/06cab53df2a2cc5.pdf
    • http://schooldietology.space/uploads/1/3/0/4/130435930/2723649.pdf
    • http://onurtukel.com/uploads/1/3/0/6/130604580/kaxowatupesosa.pdf
    • http://macdesignsonline.com/uploads/1/3/0/4/130476575/4401228.pdf
    • http://reunificationofthecollectiveconsciousness.com/uploads/1/3/1/3/131381491/gidinokenuv.pdf
    • http://hooperhomeinspections.org/uploads/1/3/0/5/130588718/zapul-fujokasibuze-wunodex.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_off00008561.bin
2094c75b5c5041ef1084e45b8318ddbfcfe560e55fa0ff63404c5e84aec169ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8561 9192 bytes

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