Malicious PDF — malware analysis report

Static analysis result for SHA-256 24de3fab2e714bae…

MALICIOUS

PDF

40.1 KB Authoring application: LibreOffice First seen: 2020-09-24
MD5: 7abbac8e9341ebc0e5b6765b113025a5 SHA-1: 5bb5fc7d27cbcd1f702128aae726636509b53784 SHA-256: 24de3fab2e714baefec42a7f755e726109f964c9ddc767c19c74cf40f0741d4f
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to distribute further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to malicious sites or download further payloads.

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://drillpeak.com/uploads/1/3/0/2/130289550/dawuxat.pdf In PDF document text
    • http://luckofthedraw.fun/uploads/1/3/0/6/130639746/8341004.pdfIn PDF document text
    • http://hoy.bz/uploads/1/3/0/5/130540928/ruwinoviziwolosup.pdfIn PDF document text
    • http://skyviewneweducators.info/uploads/1/3/0/4/130435978/4825d614c7d.pdfIn PDF document text
    • http://matthewsprange.co.uk/uploads/1/3/0/7/130775455/6126229.pdfIn PDF document text
    • http://themegahotspot.com/uploads/1/3/0/4/130436271/tuwamujij.pdfIn PDF document text
    • http://doodadsandfandangles.com/uploads/1/3/0/6/130621407/wevevixuta_jexed_dorinoduriwes.pdfIn PDF document text
    • http://customsmokingjacket.com/uploads/1/3/0/7/130775268/dce12cd0f.pdfIn PDF document text
    • http://alevelapps.com/uploads/1/3/0/6/130605369/5b12a5b906ed94e.pdfIn PDF document text
    • http://breathingzonetechnologies.org/uploads/1/3/0/5/130551287/lesorebar.pdfIn PDF document text
    • http://villagearch.com/uploads/1/3/0/6/130604422/210671.pdfIn PDF document text
    • http://1957rams.org/uploads/1/3/0/2/130272356/7863697.pdfIn PDF document text
    • http://scubatribemaldives.com/uploads/1/3/0/4/130476215/vogotuwesozar.pdfIn PDF document text
    • http://ilovemylifetshirt.com/uploads/1/3/0/6/130640081/3793295.pdfIn PDF document text
    • http://galgodesign.com/uploads/1/3/0/3/130323723/3148459.pdfIn PDF document text
    • http://www.jeffersonsbattleofthebars.com/uploads/1/3/0/6/130604710/6073825.pdfIn PDF document text
    • http://annsmith.pink/uploads/1/3/0/6/130603968/dbb4c5b669.pdfIn PDF document text
    • http://clgux.salon225.com/uploads/1/3/0/6/130620451/130620451.html#how+to+append+two+pdf+documentsIn 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_off000040c1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x40C1 7748 bytes
SHA-256: a3a2e68506d225c4525b15d0c2e272bc8b52e0ba9df6f96f117b5e0c4f484fe9

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