Malicious PDF — malware analysis report

Static analysis result for SHA-256 59fea1773b5cc488…

MALICIOUS

PDF

28.9 KB Created: 2020-04-13 07:59:23 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 62043e51ecf3987a5dd5de40ef09d7be SHA-1: 28d47903534a3ded3c7d3d66e72e979528b1664e SHA-256: 59fea1773b5cc488531ad657e6d8d410558cb21916f8552d072749e51d96e452
122 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, many of which appear to be part of an SEO link farm. The ClamAV detection 'Pdf.Dropper.Agent-8896443-0' indicates it functions as a dropper. The primary attack pattern involves redirecting users to potentially malicious websites hosted on these numerous domains, likely to deliver further malware or phishing content.

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.
  • ClamAV: Pdf.Dropper.Agent-8896443-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-8896443-0
  • 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://goodlifeinsurancesvcs.com/uploads/1/3/0/2/130288481/130288481.html#7400+e+osborn+rd+scottsdale+85251
    • http://search.realtor/uploads/1/3/0/5/130547659/xekox_keluxivepupufit_zudumak_gepatek.pdf
    • http://liftedbyalissa.com/uploads/1/3/1/3/131398447/67d3a01.pdf
    • http://sayyes2sacredlove.com/uploads/1/3/1/4/131437699/zokagelazas_futitap_xajagegobag_ziwijasaji.pdf
    • http://moonloogo.com/uploads/1/3/0/5/130539990/2657836.pdf
    • http://pinglili.com/uploads/1/3/0/4/130435937/c68fcbc5241.pdf
    • http://landscapesd.com/uploads/1/3/1/4/131407274/6449415.pdf
    • http://workuemailprocessing.com/uploads/1/3/0/2/130289645/bazudevebagejev-paxigori-jojevul-vujotujepuzos.pdf
    • http://journeyoftheself.net/uploads/1/3/0/7/130739303/dasugumumi.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_off00004c26.bin
36716715d696e4f50ff28e8d0583be2d39afe7b7876f826cd8e810aa929be610		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4C26 6936 bytes

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