Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c617ef10164b5cb…

MALICIOUS

PDF

38.3 KB Authoring application: QPDF
MD5: 8ea53fde42ac86f570807b8311ca42b5 SHA-1: 5d45954fb69659bafa145291968d1113e32c2bf6 SHA-256: 2c617ef10164b5cbb0225dabc65bd9ac8bacd38b405f53664aa950786bbebf4c
120 Risk Score

Malware Insights

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

The PDF contains a link farm designed to redirect users to malicious PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection of Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a phishing intent. The document body, though heavily obfuscated, contains text related to blood tests, likely a lure to encourage clicks on the embedded links.

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://youneedjen.com/uploads/1/3/0/5/130542977/jevejap.pdf
    • http://skylighthk.com/uploads/1/3/0/7/130738848/xeworoxisaz.pdf
    • http://academicconnectionsnj.com/uploads/1/3/0/4/130489434/rewoteviforelukadud.pdf
    • http://davidhoover.net/uploads/1/3/0/5/130540789/kuxibabinob_xapofogoxaru_jofatezade_zemetevumajis.pdf
    • http://ww.sinnergie-ev.com/uploads/1/3/0/8/130813372/jejirap.pdf
    • http://timurmustafin.com/uploads/1/3/0/5/130588816/zogufadowu.pdf
    • http://thegrainstoregallery.com.au/uploads/1/3/0/7/130776421/79f4e4297b.pdf
    • http://modaterapia.vip/uploads/1/3/0/4/130483407/ziduruvirojoludazu.pdf
    • http://kerrydavies.net/uploads/1/3/0/3/130323291/gufupipiteperozuvo.pdf
    • http://thepinkmews.com/uploads/1/3/0/7/130776016/ruvomuwoferefefo.pdf
    • http://theoatmealpan.com/uploads/1/3/0/3/130313183/rabizigojegox.pdf
    • http://moonrisetours.com/uploads/1/3/0/6/130620372/5201126.pdf
    • http://74-123-73-192.mgwnet.com/uploads/1/3/0/6/130621321/3802956.pdf
    • http://www.rja-designsbyslaglellc.com/uploads/1/3/0/5/130589360/bcbcd3ccca.pdf
    • http://cherryhilllawncare.com/uploads/1/3/0/4/130489168/1099357.pdf
    • http://takingcareyoga.com/uploads/1/3/0/6/130620356/lefisikas.pdf
    • http://surefirebeats.com/uploads/1/3/0/5/130551008/22f423c6bc69.pdf
    • http://arkham-studios.com/uploads/1/3/0/6/130605179/b379169.pdf
    • http://antumbraeducationpartners.com/uploads/1/3/0/4/130489247/woxolipikomanu.pdf
    • http://vibeology.net/uploads/1/3/0/2/130272636/8959974.pdf
    • http://returnoninitiative.us/uploads/1/3/0/2/130272092/jexamivumipupukolaxo.pdf
    • http://cpanel.whelan.co.uk/uploads/1/3/0/7/130740624/6804792.pdf
    • http://77yhi.bpmtc.com/uploads/1/3/0/5/130543035/130543035.html#blood+test+name+for+uric+acid
    • http://kerrydavies.net/uploads/1

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003461.bin
edc8c3e8baafdcb91e2f6bb5b5d5a57b3f8c931be0ce765ca8ede2e48bf889ef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3461 7848 bytes

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