Malicious PDF — malware analysis report

Static analysis result for SHA-256 854a0601e2008c1a…

MALICIOUS

PDF

96.7 KB Authoring application: Scribus
MD5: d1d5bc7e0b8e05874b99fba38db31f44 SHA-1: fde288a8af100ba92dc6e4afb8174f26b035f800 SHA-256: 854a0601e2008c1a9c74dbfdbc1261bf4e3911335ec76602ec2ad160e6dec79d
150 Risk Score

Malware Insights

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

The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing or traffic-robot distribution. The primary attack pattern involves a link farm containing 30 external PDF links, likely intended to manipulate search engine results or distribute further malware. No scripts were extracted, and the document body was heavily obfuscated, preventing analysis of its specific content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://myfloridaec.org/uploads/1/3/0/7/130739162/60a993b60a6e.pdf
    • http://neverreacttohate.com/uploads/1/3/0/6/130639607/8221851.pdf
    • http://callihanenglish.com/uploads/1/3/0/3/130379081/2550f82.pdf
    • http://choicecutengraving.com/uploads/1/3/0/5/130590482/645154.pdf
    • http://cosy-home.org/uploads/1/3/0/6/130605259/7e5032ddb9b8044.pdf
    • http://poshha.net/uploads/1/3/0/7/130740456/7097173.pdf
    • http://lavacationrentals.net/uploads/1/3/0/6/130639994/negevebanogoxi-wurarajudajox-sevofaroge-paketimepowo.pdf
    • http://westlandpropertymanagers.com/uploads/1/3/0/7/130738578/vilosuxulefexexigaw.pdf
    • http://hostmaster.honeypotcreativecafe.com/uploads/1/3/0/6/130639513/jisepa.pdf
    • http://www.pburg94rescue.org/uploads/1/3/0/6/130604349/xakaja-vipadexafoti-visano-rudijoxeje.pdf
    • http://newhopephotographylakeland.com/uploads/1/3/0/6/130620464/6040895.pdf
    • http://tidyhangers.co.uk/uploads/1/3/0/6/130620792/09f4065.pdf
    • http://toyguyomaha.com/uploads/1/3/0/4/130489006/2897245.pdf
    • http://propertysitters.ca/uploads/1/3/0/5/130589267/luzut-kudenokal-komano-pofuxasa.pdf
    • http://corvuspress.net/uploads/1/3/0/5/130542728/pakijemofuzu.pdf
    • http://cpanel.ladse.org/uploads/1/3/0/5/130551264/130551264.html#abductive+deductive+inductive

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005bc4.bin
63f9d12e1f1094040f371b9f0bce47febf33aea5ca2c73f44a15e2fb0231d8a9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BC4 10472 bytes
font_01_sfnt_off0001294a.bin
7e8b98d9136867b767a11127d5c126be13394f73cbe9c36724c9b7ce8701eb69		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1294A 2900 bytes
font_02_sfnt_off0001335c.bin
096072de1a5acb40b3fbd9de10bebc9f60dc28a538dd056171cb0468dc5d5830		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1335C 17256 bytes

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