Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a0fe3fd3b254389…

MALICIOUS

PDF

35.7 KB Authoring application: PDF Studio
MD5: f580150ec799fa526774c42db7ccfc95 SHA-1: b5f7d43a0a818b593784e175960cd63df4e7688d SHA-256: 6a0fe3fd3b2543891abf3b4b89990d50d3fb4a6db4c35c0c0bba355367a8a324
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various PDF files on different domains. This suggests a tactic to manipulate search engine results or to distribute additional malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.

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://162.bpmtc.com/uploads/1/3/0/4/130483772/1692605.pdf
    • http://feparavivir.info/uploads/1/3/0/4/130490687/xofaxowuvusamap.pdf
    • http://mytraining.today/uploads/1/3/0/2/130272072/zibubigimo.pdf
    • http://www.houseofcreativedigital.com/uploads/1/3/0/7/130775267/gubul.pdf
    • http://numinersfootball.com/uploads/1/3/0/5/130551366/durek.pdf
    • http://www.kyobysakae.com/uploads/1/3/0/2/130287428/3511784.pdf
    • http://asmclassics.com/uploads/1/3/0/6/130621597/divonumavasunef_zawutivefiwu_getugevoxij.pdf
    • http://sanpeteseamless.com/uploads/1/3/0/6/130620230/liwedagibibipuxima.pdf
    • http://legendsdarkamusements.com/uploads/1/3/0/7/130776002/3146883.pdf
    • http://racheldemeritt.com/uploads/1/3/0/5/130540159/tusokopifowefi_fapuvum.pdf
    • http://prostretchmassagetherapy.com/uploads/1/3/0/6/130639467/548211499cefd67.pdf
    • http://admin.comradescanteen.uk/uploads/1/3/0/4/130488493/pafuma_lesewababix.pdf
    • http://holycowchocolate.com/uploads/1/3/0/3/130323173/4e813.pdf
    • http://emilymullikindesign.com/uploads/1/3/0/6/130639239/d745feb82d1f1d4.pdf
    • http://www.leahtristao.com/uploads/1/3/0/3/130379363/7521931.pdf
    • http://myersac.com/uploads/1/3/0/2/130271013/netanurivuxofis_befeden.pdf
    • http://laughlininc.comppro.com/uploads/1/3/0/5/130588865/74f63d81.pdf
    • http://livelief.com/uploads/1/3/0/6/130604542/3e11ec1.pdf
    • http://www.captainronsbugspray.com/uploads/1/3/0/2/130272580/7719552.pdf
    • http://tudoparafoto.com/uploads/1/3/0/6/130621926/volilox.pdf
    • http://www.importsimple.ca/uploads/1/3/0/5/130588543/130588543.html#password+protect+pdf+adobe+acrobat+xi

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002c65.bin
2dab0d779fc1c89d515f8e42ce8da1b502ca905c274f8b9430c16a3aefe7209d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C65 7792 bytes

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