Malicious PDF — malware analysis report

Static analysis result for SHA-256 aeb178a6d0f611c2…

MALICIOUS

PDF

33.9 KB Authoring application: OpenOffice.org
MD5: 7922e3d2e92788904bbd613635e0c80e SHA-1: 50b32d3fa0d291e027303c902550beaf9e039a35 SHA-256: aeb178a6d0f611c27b8ff24f827d3293a334299fc14ccc31d8bd9e06c1dbc782
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to other PDF files hosted across various domains. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malware. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent related to phishing or traffic redirection. No scripts were extracted from this sample.

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://www.whatthepeoplethink.co.uk/uploads/1/3/0/7/130775107/4873808.pdf
    • http://www.lifeoutlines.com/uploads/1/3/0/6/130639153/41240c392e8.pdf
    • http://napaduilawyer.net/uploads/1/3/0/6/130639875/vikajijodifuvu_xawum_janafo.pdf
    • http://n2chains.com/uploads/1/3/0/5/130539370/jodawumakisewu-tiletebukujuba-zododexajeni-fefomawemabisep.pdf
    • http://www.jamesonstreecare.com/uploads/1/3/0/4/130488616/legowe.pdf
    • http://www.damamedicine.org/uploads/1/3/0/6/130620483/vasuropelapoxe.pdf
    • http://movingmemorycompany.com/uploads/1/3/0/3/130379143/kusejad_petefewamolo_xidatekivujan_zulusalepig.pdf
    • http://theatlantadoula.com/uploads/1/3/0/6/130604934/628807.pdf
    • http://hostmaster.rochesterkino.co.uk/uploads/1/3/0/6/130639777/d250d7ee5.pdf
    • http://boccesubscription.com/uploads/1/3/0/6/130639526/b76677cb9caf.pdf
    • http://duganspecialties.com/uploads/1/3/0/6/130620961/85b7fe47e47c.pdf
    • http://deepculture.clothing/uploads/1/3/0/6/130604881/130604881.html#diets+for+high+uric+acid+patients
    • http://www.whatthepeoplethink.co.uk/uploads/1/3/0/7/130775

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e14.bin
aaf1675cf3c4baa184f0e197b082a85ec721e7ed384c7ea46d8b8b1b0f13d925		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E14 7520 bytes

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