Malicious PDF — malware analysis report

Static analysis result for SHA-256 152562d42ebbd54b…

MALICIOUS

PDF

37.4 KB Authoring application: Inkscape
MD5: 0df16f6f28b90c52f5094afc280e09f5 SHA-1: 8cf16a896c3321d5b047e4bf46d7c9abda52c913 SHA-256: 152562d42ebbd54b65f90e4af9073967d1cc5dfb5ba8707ebb2f8183a396c7bc
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to other PDF files, indicating a link farm or a distribution mechanism for further malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of an attempt to redirect users to potentially harmful external resources.

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://needagoodcry.com/uploads/1/3/0/8/130814179/xunuvojuto_bidasizis_xexeweve_wuwap.pdf
    • http://bethcyrusmusic.com/uploads/1/3/0/6/130639994/loxulev.pdf
    • http://ninjawarriortrainingoz.com/uploads/1/3/0/5/130589409/83c73eaa652.pdf
    • http://welcomeneighborftsmith.com/uploads/1/3/0/5/130539016/dd5bb9.pdf
    • http://3x1-jeans.com/uploads/1/3/0/7/130739120/98192e7d.pdf
    • http://joycejudyfororegon.com/uploads/1/3/0/5/130589286/676d28c59d43.pdf
    • http://puvuzo.gaskalyga.ru/uploads/2020/01/28/9923689.pdf
    • http://vusofas.g-c-s.cc/uploads/2020/01/28/d5636b90aee.pdf
    • http://strategicsolutionsint.com/uploads/1/3/0/7/130776309/bisob-rimoxeninibub-lugewab.pdf
    • http://safemobility.org/uploads/1/3/0/3/130379415/xedakituju.pdf
    • http://mostlymeh.com/uploads/1/3/0/7/130740517/8467126.pdf
    • http://nobuhotelriyadh-fullsite.devsite-1.com/uploads/1/3/0/2/130287886/130287886.html#adverbs+modifying+other+adverbs+sentence

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012e8.bin
26e1062fc52d7edd59f1fbd01858926ce36602d89e98f88d366e4ada663b5bc3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12E8 8084 bytes

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