Malicious PDF — malware analysis report

Static analysis result for SHA-256 9783d44c971fdea2…

MALICIOUS

PDF

45.0 KB Authoring application: LibreOffice
MD5: db2893a9dd1e25410632253789e6a21c SHA-1: cc871d9c159456b5158fa3e0c3b6084c0a788f34 SHA-256: 9783d44c971fdea20ee2d240ce9f787c1afacd282e13895b4bb17e4be36b2fc8
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a coordinated effort to distribute content or manipulate search engine results. The ClamAV detection and ML classifier further support its malicious nature, classifying it as phishing or a traffic redirection mechanism. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://translatio.co.uk/uploads/1/3/0/2/130271224/443151.pdf
    • http://swingingcool.ch/uploads/1/3/0/4/130488217/wuzojonavepoti.pdf
    • http://www.freedomballoonfestival.com/uploads/1/3/0/7/130739333/97fef.pdf
    • http://elitesip.com/uploads/1/3/0/7/130739094/diguxalizaferuk.pdf
    • http://theunbrokenbody.com/uploads/1/3/0/6/130620874/9613421.pdf
    • http://www.themonthlyfriend.com/uploads/1/3/0/2/130271159/ca62733e3bedd.pdf
    • http://franker.ca/uploads/1/3/0/7/130739994/5847056.pdf
    • http://tieronetechsolutions.com/uploads/1/3/0/7/130739839/jimokepanexaxa_bizipu_jewaviruva_sasuduma.pdf
    • http://www.tastedtbrampton.com/uploads/1/3/0/7/130739826/7797370.pdf
    • http://olmiks.pl/uploads/1/3/0/6/130621349/lufilileremowiw-kabokim.pdf
    • http://machinehousecaskales.com/uploads/1/3/0/4/130483957/wubakin_xubelo_pakosarabesopis.pdf
    • http://leslierws3345.com/uploads/1/3/0/2/130289166/sanew_badomiraxifo.pdf
    • http://turnred.com/uploads/1/3/0/6/130639275/85fbb8c13.pdf
    • http://napavalleyentertaining.com/uploads/1/3/0/5/130551299/7524083.pdf
    • http://revelationsmagazine.com/uploads/1/3/0/6/130604848/d332daa.pdf
    • http://worldwildlifeweb.net/uploads/1/3/0/5/130589250/7850306.pdf
    • http://thescentedsheep.com/uploads/1/3/0/6/130639901/kivudid_rebotirujitu_bidurudasixataz_lesujumasutuxe.pdf
    • http://v90hr.bpmtc.com/uploads/1/3/0/8/130873864/130873864.html#actinomyces+antibiotic+treatment

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005101.bin
139a0461e37e3f665c898256ee52c342c6c9de04bd2ee95c55d9c269514ad35b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5101 9756 bytes

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