Malicious PDF — malware analysis report

Static analysis result for SHA-256 89b32195c280d650…

MALICIOUS

PDF

39.3 KB Authoring application: Mobipocket Creator First seen: 2020-09-24
MD5: 90bb55453791cc8f3127385b0cae9531 SHA-1: 5de70be9945ba3d7f0f7f6c8e199ac6dd9cc8076 SHA-256: 89b32195c280d650ee3aa92cfd08d564acaf16844a470746ee87e5cc263db00c
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as phishing. The embedded URLs likely serve to redirect users to malicious sites or to manipulate search engine results.

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://metaldoc.com/uploads/1/3/0/6/130621402/5058353.pdf In PDF document text
    • http://mlachomes.com/uploads/1/3/0/7/130775850/gomuzemaveg.pdfIn PDF document text
    • http://cesun2018.org/uploads/1/3/0/6/130605120/6f9042679.pdfIn PDF document text
    • http://acousticfloydtribute.com/uploads/1/3/0/8/130874492/ab1051a3e887.pdfIn PDF document text
    • http://adultsthemes.com/uploads/1/3/0/4/130436130/nowexuleboz.pdfIn PDF document text
    • http://allahand.com/uploads/1/3/0/8/130813524/jiginipuzuzigeres.pdfIn PDF document text
    • http://theoperapreneur.com/uploads/1/3/0/5/130551378/5218225.pdfIn PDF document text
    • http://pollyjasmine.com/uploads/1/3/0/7/130775271/6070508.pdfIn PDF document text
    • http://lcdigitalconnect.com/uploads/1/3/0/5/130588936/vasiza-resopik-tefipagaleguv-jemawuwesal.pdfIn PDF document text
    • http://www.desr.org.uk/uploads/1/3/0/3/130379087/3511770.pdfIn PDF document text
    • http://awestruckwellness.com/uploads/1/3/0/5/130541881/61815abe07eb9af.pdfIn PDF document text
    • http://wisefoolshakespeare.com/uploads/1/3/0/7/130776810/menes.pdfIn PDF document text
    • http://c0118146xstreamtravel.xsideas.com/uploads/1/3/0/6/130639653/130639653.html#uses+of+sds+page+gel+electrophoresisIn PDF document text
    • http://alraby.cps.edu/uploads/1/3/0/6/130604022/9849368.pdfIn PDF document text

Related samples 1

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_off00004032.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4032 8352 bytes
SHA-256: 42a1b08281448c37124dc0b6803a44f7bf0ef82d5bcc10870647650ebe8da9fa

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