Malicious PDF — malware analysis report

Static analysis result for SHA-256 8629f99c69cf3ab2…

MALICIOUS

PDF

38.1 KB Authoring application: PDFedit
MD5: 13a0f7c79c37c63c93dc3ad625acbec4 SHA-1: 716d628f4177c2434bde8e4cf1b38491e36db382 SHA-256: 8629f99c69cf3ab2bd8011bc8e03e87a214a307dcac39ccd00cd63f14caec834
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical PDF_SEO_LINK_FARM rule and ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0. The document body contains a large number of embedded URLs, all pointing to PDF files hosted on various domains. This indicates a likely phishing or traffic-driving campaign, where the embedded links are designed to lure users to download further malicious content or visit compromised sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://crossfitgroundworx.com/uploads/1/3/0/5/130590356/ef5031.pdf
    • http://nkbblockchain.com/uploads/1/3/0/7/130776406/e81b60a0eb446.pdf
    • http://njprint-wear.com/uploads/1/3/0/4/130436299/mewawezuleliwi-ponogogi.pdf
    • http://nashvilleperformancepsych.net/uploads/1/3/0/6/130621051/fojonodavotaw_degilozogaruz_vovikoworurat_vodoju.pdf
    • http://nickysawesomewebsite.com/uploads/1/3/0/7/130738859/poxim.pdf
    • http://stjohncic.org/uploads/1/3/0/4/130479312/6295519458a24a.pdf
    • http://onetopshot.site/uploads/1/3/0/5/130546657/lowepazoxoroj.pdf
    • http://www.photosbymelder.com/uploads/1/3/0/5/130588922/duzunejipi.pdf
    • http://caresdl.com/uploads/1/3/0/7/130775162/tomoxu.pdf
    • http://lebaraparfum.net/uploads/1/3/0/6/130621854/468007.pdf
    • http://fkox.com/uploads/1/3/0/5/130590054/770398.pdf
    • http://namecoinforum.net/uploads/1/3/0/6/130605521/jugikewumixaf-dajagi-pugavese.pdf
    • http://learnsoccer.org/uploads/1/3/0/5/130541116/1217356.pdf
    • http://sandiegotopdentist.com/uploads/1/3/0/7/130776716/bazizafijapupet-lokavowasogen-nimozedexo-jinigodumu.pdf
    • http://mystparanormal.com/uploads/1/3/0/5/130542985/7837014.pdf
    • http://bardosteamcolorado.bardosdiamondsports.com/uploads/1/3/0/3/130379065/130379065.html#calculating+mode+for+grouped+data

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002bb5.bin
d907c570f1f8f2d62f38d7529dbf77de46ca3a1917ec53aca7a78bae59874b04		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BB5 2616 bytes
font_01_sfnt_off000037e0.bin
ce2a53d9df756c53240d835973cb7266875e52a1bca7680f92d18bb2e91ec74c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x37E0 8508 bytes

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