Malicious PDF — malware analysis report

Static analysis result for SHA-256 c03ed93ea5adbb06…

MALICIOUS

PDF

34.0 KB Authoring application: pdf-parser First seen: 2020-09-24
MD5: d32793bed1b85a6f0e5b29f89750d479 SHA-1: 4b25da252f1a3b28f2ccf55930ede415b1bdb7b0 SHA-256: c03ed93ea5adbb06d551689423884a9c9831a21b0475cb7af5b8a8c891e9116b
152 Risk Score

Malware Insights

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

The PDF contains a large number of external links, a technique commonly used for SEO poisoning or phishing campaigns. The ClamAV detection and ML classifier strongly indicate malicious intent. The embedded URLs are likely used to redirect users to malicious content or further stages of an attack.

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://postmaster.mettesterre.com/uploads/1/3/0/6/130605164/kewuzotifuwatato.pdf In PDF document text
    • http://wildflowerfilm.com/uploads/1/3/0/2/130289496/xefagunije_tisojolukod_xozazedederum.pdfIn PDF document text
    • http://sunflowerpressnd.com/uploads/1/3/0/5/130550891/ginujobipafo-zofax-fujat.pdfIn PDF document text
    • http://crafttherapy.net/uploads/1/3/0/4/130478975/41459b5dacddf0a.pdfIn PDF document text
    • http://crossroadsimprints.com/uploads/1/3/0/5/130589140/39177.pdfIn PDF document text
    • http://mayaoak.club/uploads/1/3/0/5/130588614/deluxesuwezoposumej.pdfIn PDF document text
    • http://rootcausewellness.com/uploads/1/3/0/3/130323789/6881d408846458d.pdfIn PDF document text
    • http://nicolasandysmillinery.com/uploads/1/3/0/4/130489052/tupoxexumukavubogu.pdfIn PDF document text
    • http://thenanastudios.com/uploads/1/3/0/6/130622033/bd54cc27f4.pdfIn PDF document text
    • http://handipapers.com/uploads/1/3/0/8/130814104/wodakunojikegez-leraderuxomeri.pdfIn PDF document text
    • http://0to100.ca/uploads/1/3/0/6/130620853/weroxafer-waxokabeva.pdfIn PDF document text
    • http://theadventurenaut.com/uploads/1/3/0/4/130476276/8f6ccbd.pdfIn PDF document text
    • http://cawestcollection.com/uploads/1/3/0/9/130969599/e315dd7.pdfIn PDF document text
    • http://mychinesewatch.com/uploads/1/3/0/9/130969653/130969653.html#1+bit+adder+subtractor+circuitIn PDF document text

Related samples 3

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_off00002c17.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C17 7856 bytes
SHA-256: e31eb73a4f69a9c0eb6ab75b0fb5e3aa9bf0b51e878dd43642bb760a4d88a96c

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