Malicious PDF — malware analysis report

Static analysis result for SHA-256 93679fda8e1b9710…

MALICIOUS

PDF

38.4 KB Authoring application: OpenOffice Draw
MD5: 38e353beb64b998d61eb4644787bc894 SHA-1: ef46499aba598db017678e12eb4d03d236039c8b SHA-256: 93679fda8e1b971075b26222126002b58c17e2f1dabc8b62c55e7cf7579bb7e4
150 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier and ClamAV also flagged this file as malicious, with ClamAV identifying it as Pdf.Phishing.TtraffRobotInstall. The embedded URLs likely lead to malicious content or phishing sites. The document body contains garbled text and a few readable strings related to guitar chords, which appear to be a lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.maryarkofthecovenant.com/uploads/1/3/0/2/130271177/bowomaweso_zotawozukiwe.pdf
    • http://delta-p.solutions/uploads/1/3/0/6/130621011/90045debb3793.pdf
    • http://chinatmz.com/uploads/1/3/0/5/130588997/6077730.pdf
    • http://timeroll.com/uploads/1/3/0/7/130776026/pozidokisoxapaxije.pdf
    • http://www.joshkanownik.com/uploads/1/3/0/5/130543107/ef8e7d31df8d2.pdf
    • http://thelimitlessonline.com/uploads/1/3/0/6/130620266/bifujedipelana_vimudo.pdf
    • http://mathbox.com.au/uploads/1/3/0/2/130289746/f0222a4a8.pdf
    • http://equitlab.com/uploads/1/3/0/6/130621643/nipibisirujok-punaweraxin.pdf
    • http://ellensburgwinterhopbrewfest.com/uploads/1/3/0/5/130590351/kasokigutakot_rirobaxot_saruf_pogagomos.pdf
    • http://www.lindseyhemmings.co.uk/uploads/1/3/0/2/130271153/senak-torozalejojizo-netujigidivem.pdf
    • http://ainsiconsulting.com/uploads/1/3/0/4/130483200/5181686.pdf
    • http://www.directventvt.com/uploads/1/3/0/5/130541209/tonofasovi_gewejaveki_xoginuvofasaviw_nogajul.pdf
    • http://life2lensphotography.com/uploads/1/3/0/2/130288592/8895803.pdf
    • http://kateforester.com/uploads/1/3/0/2/130287895/df00abfec3.pdf
    • http://interactivegamesales.com/uploads/1/3/0/6/130604770/4259953.pdf
    • http://cpanel.flynndistribution.com/uploads/1/3/0/2/130270996/4165c.pdf
    • http://theright.buzz/uploads/1/3/0/4/130435722/pabiwujawedob.pdf
    • http://newsolutionsit.com/uploads/1/3/0/7/130775002/2639893.pdf
    • http://construction-company-sandiego.com/uploads/1/3/0/8/130813063/geseb_tawawunosabumiw.pdf
    • http://wendy-w-findings.com/uploads/1/3/0/6/130620897/bulozeniliroxalopu.pdf
    • http://ticketdefenseclinic.com/uploads/1/3/0/7/130740316/7661531.pdf
    • http://mail.centralupyouthfootball.org/uploads/1/3/0/2/130271015/3b6a528bad4f0.pdf
    • http://belvedere-ld.com/uploads/1/3/0/9/130969607/130969607.html#rumba+flamenco+guitar+chords
    • http://interactivegamesales.com/uploads/1/3/0/6/130604770/4259953.p

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033e5.bin
2d5a7c7adfc9d2086612039d002b9861b4e4f9150fb97bec1e45208e1c4c9625		 pdf-font-stream PDF embedded font (sfnt) at offset 0x33E5 8352 bytes

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