Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd819edbcc81ed9e…

MALICIOUS

PDF

39.7 KB Authoring application: PDF Studio
MD5: 935dd8e19d86482c638fb1485115c7ee SHA-1: 128fb2d1ce516b7dc58b5c95d82e4ff7c76ed685 SHA-256: cd819edbcc81ed9e3989d2b817f3fce4f5d691f6766d8a6b35548559a20a7d2a
120 Risk Score

Malware Insights

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

The PDF file was detected by ClamAV as Pdf.Phishing.TtraffRobotInstall-7605656-0. Static analysis revealed a large number of embedded external links, characteristic of a link farm designed to distribute malicious content. The document body contains a mix of seemingly random text and the URLs, further supporting the phishing or redirection intent.

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://blikiwiki.com/uploads/1/3/0/6/130639500/330466.pdf
    • http://securitycamerasofatlanta.com/uploads/1/3/0/7/130739570/1334226.pdf
    • http://ccjustice.net/uploads/1/3/0/4/130479472/b0a09ac6c0.pdf
    • http://blinddoghaven.net/uploads/1/3/0/6/130604022/jakazutikinemarizaw.pdf
    • http://thejackedhipster.com/uploads/1/3/0/6/130640052/0d07c5b6134d4a1.pdf
    • http://southsidebrewing.net/uploads/1/3/0/3/130323733/2712860.pdf
    • http://amor-mundi.org/uploads/1/3/0/7/130738541/xepunu_ruxukenudo_duginekukiwo_vavikomemu.pdf
    • http://afaparents.org/uploads/1/3/0/6/130639476/293521.pdf
    • http://chiavantage.com/uploads/1/3/0/7/130739127/2e946adde.pdf
    • http://redondobeachheating.net/uploads/1/3/0/4/130436271/dibagasaj-sesukirudirurig.pdf
    • http://asiasoft.com.sg/uploads/1/3/0/5/130539336/6462807.pdf
    • http://translatio.co.uk/uploads/1/3/0/2/130271224/443151.pdf
    • http://thesustainables.biz/uploads/1/3/0/4/130436222/6df966ef.pdf
    • http://achildofwonder.com/uploads/1/3/0/5/130588269/4150608.pdf
    • http://iamallsmiles.com/uploads/1/3/0/5/130543158/lilox_ruvugufoz_dobixe.pdf
    • http://glutenfreefoodie.blog/uploads/1/3/0/4/130435531/9c1283.pdf
    • http://kidsciencenews.net/uploads/1/3/0/6/130604531/4967175.pdf
    • http://official-brands.com/uploads/1/3/0/5/130541837/354890.pdf
    • http://mybarbabez.com/uploads/1/3/0/2/130273617/suzixarinajuli.pdf
    • http://visitwesternheritagecenter.org/uploads/1/3/0/6/130639971/355296.pdf
    • http://ronstruckshop.com/uploads/1/3/0/3/130313054/fozogavowirige_gobirajovow_fowumitimulu.pdf
    • http://armidalebushwalkers.org/uploads/1/3/0/8/130874099/130874099.html#thompson+test+for+achilles+tendon

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ec9.bin
e91619dfd4c72a85464d95ef1ba4e67df13020651c42071bafbe521a61d9f7fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2EC9 2652 bytes
font_01_sfnt_off00003ac2.bin
4e0dba45bc1ecf4931479797f1991647a08a81e51bcb6dab361befee32244341		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3AC2 7808 bytes

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