Malicious PDF — malware analysis report

Static analysis result for SHA-256 8753c1fe0551cfd2…

MALICIOUS

PDF

40.9 KB Authoring application: QPDF
MD5: 430dca92f5d7a49cab9163f079d190fb SHA-1: 13fb3dddb8f5ab0416fc3e0246cba6d31f999924 SHA-256: 8753c1fe0551cfd2814decdf67d9fba4b4b084377eab4fbbad6fc24776f1fe3a
128 Risk Score

Malware Insights

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

The PDF file exhibits a critical heuristic firing for PDF_SEO_LINK_FARM, indicating a large number of embedded external links. This suggests the document is designed to manipulate search engine results or redirect users to potentially malicious content hosted on various domains. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. No scripts were extracted from this sample.

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.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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
  • 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.habersatguitar.com/uploads/1/3/0/5/130543020/2438794.pdf
    • http://cornislandphotography.com/uploads/1/3/0/4/130475981/1951803.pdf
    • http://www.riciclometalli.it/uploads/1/3/0/7/130739635/5313773.pdf
    • http://finleybethandco.com/uploads/1/3/0/7/130776159/e518a97e09df0.pdf
    • http://douglasharderfoundation.com/uploads/1/3/0/8/130874536/6345339.pdf
    • http://www.glassworks.nz/uploads/1/3/0/5/130589299/xowulexel_sirugajegoze_kejezevapomoj_buxiwa.pdf
    • http://www.tradingcommunity.fr/uploads/1/3/0/5/130547527/8927051.pdf
    • http://pensacolaaudiodocumentation.com/uploads/1/3/0/4/130435629/8786180.pdf
    • http://seanhaseymassage.com/uploads/1/3/0/5/130551770/1063731.pdf
    • http://dlathleticadvantage.com/uploads/1/3/0/5/130550756/ca2536.pdf
    • http://steelcityselectsoftball.com/uploads/1/3/0/2/130289347/05bf72587dfc37e.pdf
    • http://itesme.com/uploads/1/3/0/2/130274371/3096296.pdf
    • http://www.sandrefotoagency.com/uploads/1/3/0/7/130775489/pumozub.pdf
    • http://seleneskincare.com/uploads/1/3/0/7/130776499/topobojudiruvin.pdf
    • http://thesoftearth.com/uploads/1/3/0/7/130739635/valomelafagolo.pdf
    • http://aspireimmigration.ca/uploads/1/3/0/6/130603822/2600503.pdf
    • http://endeavorjewelry.com/uploads/1/3/0/5/130543368/wamitunavo.pdf
    • http://mail.uneqsaromatherapy.com/uploads/1/3/0/7/130738569/zusupog_watexofexurov.pdf
    • http://www.heartsurgeryonline.com/uploads/1/3/0/6/130639668/xoxusekovixot.pdf
    • http://therachelsue.com/uploads/1/3/0/7/130776804/11d34c37dd885e.pdf
    • http://cpconcertsociety.com/uploads/1/3/0/7/130739769/659827.pdf
    • http://yghu17.bdgct.com/uploads/1/3/0/7/130739234/130739234.html#osha+accident+report+pdf
    • http://douglasharderfoundation.com/u

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003f18.bin
8f2fafd92d56f5e39960501b191047e24b3edde71542c2fdb21fb46582e1c16a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3F18 8024 bytes

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