Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ee8e367124888a9…

MALICIOUS

PDF

43.9 KB Authoring application: Scribus
MD5: d38f521a82aa3580c51db8b76aca0912 SHA-1: 6269cd810d7592232b1a8b6782db08d31368fba0 SHA-256: 1ee8e367124888a94ece94286ba72289e595c98a460cb1831b658bd941cb91d0
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm of external PDF files, a common technique for SEO poisoning and distributing malicious content. The document body, though heavily obfuscated, contains references to downloading WordPress databases and includes numerous URLs pointing to other PDF files. This suggests the primary goal is to redirect users to download further malicious content, likely phishing or malware, under the guise of a technical guide.

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://marencoartrestoration.com/uploads/1/3/0/6/130621421/56a2fef.pdf
    • http://ronawatts.com/uploads/1/3/0/5/130551059/ralavaxagum_wigepom_fanuxuveguwebu_mutufezozeke.pdf
    • http://ridgelineohio.com/uploads/1/3/0/3/130313194/2088458.pdf
    • http://prcrf.org/uploads/1/3/0/6/130605217/f7d447151.pdf
    • http://mykpilgrim.com/uploads/1/3/0/5/130540714/biben_zelodaka.pdf
    • http://18390621srn.com/uploads/1/3/0/5/130541073/7b5141df68da.pdf
    • http://rivalrygraphics.com/uploads/1/3/0/5/130588206/585109.pdf
    • http://moheal-moringa.com/uploads/1/3/0/5/130589420/db58cff.pdf
    • http://donthirejerks.com/uploads/1/3/0/2/130289581/130289581.html#download+wordpress+database+from+ser

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011f2.bin
0435f8ff56631138c1f222b209a9942bbe0b2495ea36b451e44f85480694c478		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11F2 9728 bytes
font_01_sfnt_off00006495.bin
5d7ebd720715cd86529581f1d40cc643f68465477bd430d4be5ff736bc95f798		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6495 16268 bytes

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