Malicious PDF — malware analysis report

Static analysis result for SHA-256 8076f0449d040f5b…

MALICIOUS

PDF

34.1 KB Authoring application: LibreOffice Draw First seen: 2020-09-24
MD5: c5d8687d96d057f3cf59a18f575cc04f SHA-1: 1fc6a3dd968854a921abf2bfe7fb813cceaf6366 SHA-256: 8076f0449d040f5bc42891c9f89acadd81453d9f6af0787dca9df72dce7cea06
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, a technique often used for SEO manipulation or to distribute malicious content. ClamAV detected this as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', and an ML classifier also flagged it as malicious. The document body is heavily obfuscated and contains junk data, suggesting an attempt to hide the malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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 In PDF document text
    • http://expressionsvideos.com/uploads/1/3/0/6/130604125/f1e1f2eb3b032.pdfIn PDF document text
    • http://www.winsomewelshponies.com/uploads/1/3/0/5/130589104/335512.pdfIn PDF document text
    • http://nutritionevangelism.com/uploads/1/3/0/3/130312961/4588367.pdfIn PDF document text
    • http://currentproject.adrianamedinacagan.com/uploads/1/3/0/2/130291438/vexomomitukebuluj.pdfIn PDF document text
    • http://mobileonegaming.com/uploads/1/3/0/6/130604083/c6817a67b2f97.pdfIn PDF document text
    • http://madeformorecreations.com/uploads/1/3/0/6/130639351/5154167.pdfIn PDF document text
    • http://southernfrontrange.com/uploads/1/3/0/7/130740073/wunakaginajuwo.pdfIn PDF document text
    • http://stoit-kak-kamen.host/uploads/1/3/0/2/130289467/vojotexofuv-radewupifokefo-pikumi-fozezelul.pdfIn PDF document text
    • http://q8caad.com/uploads/1/3/0/2/130289554/bidanoj.pdfIn PDF document text
    • http://www.daysofpraise2016.org/uploads/1/3/0/5/130551262/sorefonebokab-vasarusinenal-miwulilolu.pdfIn PDF document text
    • http://boltgroupservices.com/uploads/1/3/0/2/130287502/pigijoko.pdfIn PDF document text
    • http://www.intledwithlex.com/uploads/1/3/0/4/130489563/8630860.pdfIn PDF document text
    • http://www.miakumamoto.com/uploads/1/3/0/7/130740393/6fc715a46d6a.pdfIn PDF document text
    • http://betterwiththebible.com/uploads/1/3/0/6/130603815/2867952.pdfIn PDF document text
    • http://qecs.us/uploads/1/3/0/7/130740338/b06f786331510a.pdfIn PDF document text
    • http://burned4you.com/uploads/1/3/0/6/130604944/xonunawoz_sonasili_berosumomeb.pdfIn PDF document text
    • http://survey.rodhillportraits.com/uploads/1/3/0/4/130435721/130435721.html#read+free+steamy+romance+books+onlineIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000282a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x282A 8056 bytes
SHA-256: 8da0892d9afd46dfad5aefd1f6049b192dbb345b3bf2aa4bfacea8a62984605c

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