Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab63029ccb5af2ce…

MALICIOUS

PDF

43.4 KB Authoring application: OpenOffice.org
MD5: 17a842cc43e152b1ea85bdf6efc9b296 SHA-1: 2f9bad6d8e30ba78151ba773ce0d439a347561dc SHA-256: ab63029ccb5af2ceceb1310020722c75058783269484993e324c07f14e867afb
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, consistent with a phishing or traffic-driving campaign. The document body text mentions 'acupuncture' and 'stomach pain' as a lure, directing users to click for more details, which are likely malicious links.

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://ohanaguidance.com/uploads/1/3/0/7/130776229/34a1d9dcba.pdf
    • http://mysuccesstraining.com/uploads/1/3/0/6/130620564/pematuge-wujobuviluwenu.pdf
    • http://okcpotspot.com/uploads/1/3/0/5/130551125/4715367.pdf
    • http://polarcapcompany.com/uploads/1/3/0/2/130288333/getaguxapokobip.pdf
    • http://scientificintl.com/uploads/1/3/0/6/130604823/mexafopibiruzazofol.pdf
    • http://disarmingdoomsday.com/uploads/1/3/0/6/130639230/rirajesafu_xokol_lojurubodoniv.pdf
    • http://metropolis-exc.com/uploads/1/3/0/5/130588345/554634.pdf
    • http://mountainandocean.org/uploads/1/3/0/5/130543054/livewofixil-pefeba.pdf
    • http://pcpokertables.com/uploads/1/3/0/5/130543133/dixusirinupa.pdf
    • http://artekcm.com/uploads/1/3/0/3/130323375/dekogazizuwusamek.pdf
    • http://antiviruseprotectserviceonline.site/uploads/1/3/0/6/130620613/130620613.html#can+acupuncture+help+stomach+pain

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001293.bin
077e0cabcb86bf5861685c956e5989c086378d09a877c3eda9a63961b450d89a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1293 8452 bytes

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