Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e5be04252f0b9c3…

MALICIOUS

PDF

46.0 KB Authoring application: Inkscape First seen: 2020-09-24
MD5: 81e706822aa9a993c492083b859f8307 SHA-1: 4a60bbe6f74385f4c921751de458d1a07d55f42c SHA-256: 9e5be04252f0b9c3711ffd269bea77b13f239cf4ce99f34979908fb9c400c722
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to other PDF files hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content, as suggested by the 'PDF_SEO_LINK_FARM' heuristic. The ClamAV detection further supports its malicious nature. No scripts were extracted, and the document body was heavily obfuscated, limiting the ability to determine a more specific attack pattern or family.

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://embedded-tdd.com/uploads/1/3/0/3/130323409/nowalepavopifipo.pdf In PDF document text
    • http://blackforestcampingandaccessories.com/uploads/1/3/0/2/130272406/vovaxupodajufux.pdfIn PDF document text
    • http://thehouseofswedenla.com/uploads/1/3/0/3/130313111/nidujefejozujumuvu.pdfIn PDF document text
    • http://mohamed-albarasi-academy.com/uploads/1/3/0/3/130323449/defovifudu.pdfIn PDF document text
    • http://iclubgood.net/uploads/1/3/0/2/130288864/foran_birejog_wasovebi.pdfIn PDF document text
    • http://pof-freeaddcalls.com/uploads/1/3/0/4/130476513/ec1924.pdfIn PDF document text
    • http://veraspencer.com/uploads/1/3/0/6/130639939/23cd5a7.pdfIn PDF document text
    • http://alyssavelasco.com/uploads/1/3/0/6/130603858/febevorifumu.pdfIn PDF document text
    • http://shapenv.com/uploads/1/3/0/7/130775448/nitom-limumuxo-buziw.pdfIn PDF document text
    • http://chilepeppersssi.com/uploads/1/3/0/7/130739330/1927457.pdfIn PDF document text
    • http://shop.rbalternatives.com/uploads/1/3/0/7/130739373/542734ac944bd7.pdfIn PDF document text
    • http://danielsperoni.com/uploads/1/3/0/8/130813668/dawip_wuxesixeku.pdfIn PDF document text
    • http://www.invisionaryarts.com/uploads/1/3/0/7/130740553/6736137.pdfIn PDF document text
    • http://zenoclinical.com/uploads/1/3/0/4/130489909/9217886.pdfIn PDF document text
    • http://discoveryai.com/uploads/1/3/0/8/130873930/fugepe.pdfIn PDF document text
    • http://2005viper.com/uploads/1/3/0/4/130490410/tipijagirusobu.pdfIn PDF document text
    • http://skinspiritlife.com/uploads/1/3/0/6/130639400/130639400.html#professional+job+cover+letter+examplesIn PDF document text

Related samples 4

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_off000057eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x57EB 8304 bytes
SHA-256: 689f440f93c174bdd74ef5416770ad056a095450d8fd38681eed5e99912f509e

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