Malicious PDF — malware analysis report

Static analysis result for SHA-256 73d39f30a76d985b…

MALICIOUS

PDF

15.2 KB Created: 2020-04-19 13:18:08 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: cf428b58fde98ae7c0d30fd99d887773 SHA-1: 8dc08408984ba26473c68907d4c81aec04bc0d7b SHA-256: 73d39f30a76d985b0d432c2b471bdd81b3a2179b885b7b75bf9e9533c502b6b7
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is identified as malicious by an ML classifier and exhibits characteristics of a phishing lure, including a single image and minimal text content. It contains a large number of external links, many pointing to other PDF files, suggesting a link farm or redirection mechanism. The primary URL, http://peopleofthestreets.net/uploads/1/3/0/3/130313196/130313196.html#kannada+movie+video+song, is likely the initial point of contact for a phishing attempt or to download a secondary payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9945

Heuristics 4

  • 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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 15 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://peopleofthestreets.net/uploads/1/3/0/3/130313196/130313196.html#kannada+movie+video+song
    • http://magiccastleprojects.com/uploads/1/3/1/4/131483267/wikadi.pdf
    • http://drive2retire.com/uploads/1/3/1/4/131407135/f25c8e.pdf
    • http://yrittajyys2018.com/uploads/1/3/1/3/131380128/medefetikitaxex.pdf
    • http://guidingjoyhypno.com/uploads/1/3/0/7/130739635/nesipiranifus_taxasilodo_zinimexug_velomonigajuve.pdf
    • http://reinhardtbproductions.com/uploads/1/3/0/6/130620551/50992ee.pdf
    • http://theluckycoconutandmango.net/uploads/1/3/0/6/130621250/501d711a7875.pdf
    • http://portia-champagne.com/uploads/1/3/0/2/130270847/8329246.pdf
    • http://bluedrivecarehomes.com/uploads/1/3/0/8/130874539/tixiwixugenapu-vakejavegap.pdf
    • http://harrismanagement.us/uploads/1/3/0/4/130490875/ad76bec8.pdf
    • http://soulfullvitality.com/uploads/1/3/0/5/130545173/matalizuxubasim.pdf
    • http://uppercervicalcincinnati.com/uploads/1/3/1/4/131437312/5749910.pdf
    • http://chantalhairbraiding.net/uploads/1/3/0/6/130604405/kasenorexefiz.pdf
    • http://eyjavarp.is/uploads/1/3/1/4/131453837/monaw.pdf

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