Malicious PDF — malware analysis report

Static analysis result for SHA-256 c7f258cde26368c5…

MALICIOUS

PDF

40.9 KB Authoring application: OpenOffice Draw
MD5: 43b361d7f25d33337f0c01b98e350cde SHA-1: 66453bfb466946d53f70f9218253fbd8ba15f309 SHA-256: c7f258cde26368c52eb263750bf3692f859251bf95172751b4adcab26faa1c3a
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious payloads. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely 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://express1shipper.com/uploads/1/3/0/5/130588195/de50480370.pdf
    • http://dccarescenterinc.com/uploads/1/3/0/7/130739140/b648631c5d09c24.pdf
    • http://suite420marketing.com/uploads/1/3/0/5/130543552/vedupavu_pinutipa_padovupaz_jipuzojekam.pdf
    • http://mail.maxro.kiwi/uploads/1/3/0/7/130740266/valasevud_sugunitat.pdf
    • http://mlomusicpublications.com/uploads/1/3/0/5/130551765/xifukirogexivivol.pdf
    • http://sierranexus.com/uploads/1/3/0/5/130539866/mawowutagoti-kefolata-panaxuzezobibe-welojol.pdf
    • http://southernspawn.com/uploads/1/3/0/3/130312929/099edfc9ceb7a72.pdf
    • http://consulting4organizations.com/uploads/1/3/0/4/130483690/2f1e0090.pdf
    • http://sdvegweek.org/uploads/1/3/0/7/130776786/b6ee2b.pdf
    • http://nadinesteklenski.com/uploads/1/3/0/6/130639296/dolamigax_danogefokekubu_tipefetobex.pdf
    • http://b4bigschool.com/uploads/1/3/0/5/130551210/jufexu.pdf
    • http://justjess.me/uploads/1/3/0/8/130815017/fodebukusawukamamu.pdf
    • http://14inparis.com/uploads/1/3/0/5/130589213/d41d35c2fed.pdf
    • http://ineavet.com/uploads/1/3/0/6/130622027/pigukunapenuzok.pdf
    • http://bridgetunnel.coffee/uploads/1/3/0/7/130739619/deziminetapi.pdf
    • http://mta-sts.projectunityusa.org/uploads/1/3/0/4/130436188/5248923.pdf
    • http://woodmtbedandbreakfast.com/uploads/1/3/0/5/130547924/widofe_gujotijemoxobi_jufekomiput.pdf
    • http://caserver.campallen.org/uploads/1/3/0/6/130605416/601b1ba0d48.pdf
    • http://powerofthepenpublishing.net/uploads/1/3/0/6/130639462/7832846.pdf
    • http://www.awaves.dj/uploads/1/3/0/4/130476013/guwuvox.pdf
    • http://amd11z.com/uploads/1/3/0/4/130436093/pevewolimevapuj.pdf
    • http://monikaswebsite.com/uploads/1/3/0/3/130313193/5400515.pdf
    • http://www.tinalinderman.com/uploads/1/3/0/7/130739213/pisirix.pdf
    • http://colormeribbons.com/uploads/1/3/0/7/130776714/7064553.pdf
    • http://d18wj.dtmgt.com/uploads/1/3/0/3/130313200/4688500.pdf
    • http://totallydreams.com/uploads/1/3/0/4/130435672/130435672.html#adafruit+motor+shield+examples
    • http://amd11z.com/uploads/1/3/0/4/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003a5c.bin
9c716e87cd17eab58ed320c7055f1e67e6a7f96f723a59f38137bb38897f67aa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3A5C 8284 bytes

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