Malicious PDF — malware analysis report

Static analysis result for SHA-256 3590740ebd0f5a8d…

MALICIOUS

PDF

49.1 KB Authoring application: OpenOffice Draw
MD5: ed5046509cd82f9879e9a299d21865f0 SHA-1: e2ee33e140d4f2e1839a10110e56ef784479d3b0 SHA-256: 3590740ebd0f5a8dfa77216ff4cd32d6a22309a5490b44899f0cb82d9ded12df
152 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including ClamAV and an ML classifier, as malicious. The critical PDF_SEO_LINK_FARM heuristic indicates the presence of a large number of external links, suggesting a phishing or SEO poisoning campaign. The embedded URLs likely lead to further malicious content or phishing pages.

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://annieluchsinger.com/uploads/1/3/0/5/130551264/dudazogun-xisazomijituxo-muvodutuvigel-vekulewadores.pdf
    • http://kueadressesdesign.com/uploads/1/3/0/6/130621589/xotetij-zufid-pupopu.pdf
    • http://midwestlightingllc.com/uploads/1/3/0/4/130477468/rutajasonarujasedo.pdf
    • http://melissaneckphotography.com/uploads/1/3/0/7/130775458/xugujawiwokokela.pdf
    • http://bubblesoccergeelong.com.au/uploads/1/3/0/6/130620626/40e89fe5140b.pdf
    • http://mongomuscleapparel.com/uploads/1/3/0/3/130313513/juderavukizapodefum.pdf
    • http://backeferreira.weebly.com/uploads/1/3/0/5/130588267/2458987.pdf
    • http://turnuprecords.com/uploads/1/3/0/2/130287536/malagivuxuke.pdf
    • http://sauerlandhypotheek.nl/uploads/1/3/0/5/130588268/130588268.html#temple+run+brave+game++apkpure

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000126a.bin
373f438490b59f818fad11c877f57f9b2f0cb4503b7e690f8e61e22f4e9570e6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x126A 8828 bytes
font_01_sfnt_off00006d31.bin
0a8651204712d77b3df8786b20c09d46779fa8f6890d30c9d9c12e9401afa574		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D31 4152 bytes
font_02_sfnt_off000079ab.bin
c6c28444bcd94379862b6cc7f8cfcdbcdaeb026857ccdb099d87626a561054a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x79AB 16092 bytes

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