Malicious PDF — malware analysis report

Static analysis result for SHA-256 589ca4993cfcba46…

MALICIOUS

PDF

45.8 KB Authoring application: Karbon
MD5: 6c4ca0e2fc4849c4ca811f7d5b930716 SHA-1: 0ffab6a6d019736e080a89ef82e8af16b0038923 SHA-256: 589ca4993cfcba4645bf9fdff0f2df014a8e2a9dc949b1cd7b84021c26ddca1c
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, a technique often used for SEO poisoning or to distribute malicious content. ClamAV identified this as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', suggesting a phishing or traffic redirection purpose. The document body, though heavily corrupted, contains fragments related to medical conditions, potentially serving as a lure.

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://ilaugh.club/uploads/1/3/0/3/130323515/5941493.pdf
    • http://curanna.com/uploads/1/3/0/6/130604499/16a71254474.pdf
    • http://jaiku.org/uploads/1/3/0/6/130620581/zonosapofebuzax_womesaku_napavapajuj.pdf
    • http://idforensics.net/uploads/1/3/0/5/130588405/1614711.pdf
    • http://cutleryclubofamerica.com/uploads/1/3/0/8/130873932/4545861.pdf
    • http://coinspacespain.com/uploads/1/3/0/5/130588943/zujudoxepu_xotizuze_bozowumedudeg_jowupubo.pdf
    • http://nuecescanyonlodge.com/uploads/1/3/0/2/130289662/xoroxelagaxi.pdf
    • http://kungfusansoo.us/uploads/1/3/0/7/130775797/lewowijoxag_zaxal_xikaruladimesi.pdf
    • http://kjacsafetytraining.net/uploads/1/3/0/7/130775866/pivitaxelelitewaz.pdf
    • http://southenddiving.co.uk/uploads/1/3/0/5/130588913/rukexi-wovamepezuro-zedoloka-gazijes.pdf
    • http://nplfiles.com/uploads/1/3/0/7/130739284/adb9c41c7e.pdf
    • http://lyrana.co/uploads/1/3/0/6/130622022/tomazaxef.pdf
    • http://mx.goldcoastsecuritycompany.com/uploads/1/3/0/5/130547340/niwodotodija.pdf
    • http://taoshiatsuvancouver.com/uploads/1/3/0/5/130589366/kefibatosodazaw.pdf
    • http://oraclereadings.com/uploads/1/3/0/7/130738998/2749011.pdf
    • http://keepplaying.today/uploads/1/3/0/6/130621521/pufesajesad.pdf
    • http://painfuljoint.org/uploads/1/3/0/6/130604523/8519475.pdf
    • http://nikkiheyder.com/uploads/1/3/0/7/130739483/fikira.pdf
    • http://cvkhotel3.devsite-1.com/uploads/1/3/0/4/130476395/130476395.html#acute+pulmonary+edema+in+pregnancy

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000053ac.bin
59455604f2fd1fc0e4de4aad52fa979d6329831690336231b17a6f661cc04ea8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53AC 8860 bytes

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