Malicious PDF — malware analysis report

Static analysis result for SHA-256 8076f0449d040f5b…

MALICIOUS

PDF

34.1 KB Authoring application: LibreOffice Draw
MD5: c5d8687d96d057f3cf59a18f575cc04f SHA-1: 1fc6a3dd968854a921abf2bfe7fb813cceaf6366 SHA-256: 8076f0449d040f5bc42891c9f89acadd81453d9f6af0787dca9df72dce7cea06
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to other PDF files hosted on various domains, a technique often used for SEO manipulation or to distribute malicious payloads. ClamAV identified this as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', and ML classifiers also flagged it as malicious. The document body contains garbled text and what appears to be metadata from LibreOffice Draw, suggesting it was programmatically generated rather than user-authored content.

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://glynisfrancis.co.uk/uploads/1/3/0/6/130621901/wovojexaxokamu.pdf
    • http://expressionsvideos.com/uploads/1/3/0/6/130604125/f1e1f2eb3b032.pdf
    • http://www.winsomewelshponies.com/uploads/1/3/0/5/130589104/335512.pdf
    • http://nutritionevangelism.com/uploads/1/3/0/3/130312961/4588367.pdf
    • http://currentproject.adrianamedinacagan.com/uploads/1/3/0/2/130291438/vexomomitukebuluj.pdf
    • http://mobileonegaming.com/uploads/1/3/0/6/130604083/c6817a67b2f97.pdf
    • http://madeformorecreations.com/uploads/1/3/0/6/130639351/5154167.pdf
    • http://southernfrontrange.com/uploads/1/3/0/7/130740073/wunakaginajuwo.pdf
    • http://stoit-kak-kamen.host/uploads/1/3/0/2/130289467/vojotexofuv-radewupifokefo-pikumi-fozezelul.pdf
    • http://q8caad.com/uploads/1/3/0/2/130289554/bidanoj.pdf
    • http://www.daysofpraise2016.org/uploads/1/3/0/5/130551262/sorefonebokab-vasarusinenal-miwulilolu.pdf
    • http://boltgroupservices.com/uploads/1/3/0/2/130287502/pigijoko.pdf
    • http://www.intledwithlex.com/uploads/1/3/0/4/130489563/8630860.pdf
    • http://www.miakumamoto.com/uploads/1/3/0/7/130740393/6fc715a46d6a.pdf
    • http://betterwiththebible.com/uploads/1/3/0/6/130603815/2867952.pdf
    • http://qecs.us/uploads/1/3/0/7/130740338/b06f786331510a.pdf
    • http://burned4you.com/uploads/1/3/0/6/130604944/xonunawoz_sonasili_berosumomeb.pdf
    • http://survey.rodhillportraits.com/uploads/1/3/0/4/130435721/130435721.html#read+free+steamy+romance+books+online
    • http://boltgroupservices.com/uploads/1/3/0/2/130287502

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000282a.bin
8da0892d9afd46dfad5aefd1f6049b192dbb345b3bf2aa4bfacea8a62984605c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x282A 8056 bytes

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