Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c0ba5f331f3ea15…

MALICIOUS

PDF

35.0 KB Created: 2020-04-02 10:56:20 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: a4c253177316a3f5ee7ee1d2f6f14355 SHA-1: 6133dd61cae5e972082de95b4becb4d503e4516e SHA-256: 8c0ba5f331f3ea15a327d0ddb2b385689f7f210d64f72aaf62023b95eca8fe56
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF document contains a large number of external links to various domains, a technique commonly used for SEO link farming. The embedded document body text, though partially corrupted, includes a URL that points to a similar link farm structure. The primary purpose appears to be directing users to a network of potentially malicious or spam-related content hosted across multiple domains.

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.
  • 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://pilateslincoln4u.com/uploads/1/3/0/9/130969980/130969980.html#abre+mis+ojos+oh+cristo+acordes+letra
    • http://madetomovetenfit.com/uploads/1/3/0/2/130291328/kaxoruvoxize.pdf
    • http://wickedwaterstrategies.com/uploads/1/3/0/5/130539657/zunotejemuwemidapewa.pdf
    • http://codeenforcers.com/uploads/1/3/0/2/130287976/razazovunixomewijas.pdf
    • http://ironworkers.ch/uploads/1/3/0/5/130589397/7b1fa9181a.pdf
    • http://tdsolutions.pt/uploads/1/3/0/6/130604166/dazulekefiluf-xamojejegunudem.pdf
    • http://treehousebellaire.org/uploads/1/3/0/8/130874269/79befa.pdf
    • http://back2hemp.com/uploads/1/3/0/2/130272086/voboxilukevotaxewire.pdf
    • http://mercadofresco.net/uploads/1/3/0/5/130541656/7748087.pdf
    • http://cobourgfarmersmarket.com/uploads/1/3/1/3/131379732/wefum.pdf
    • http://aevamagazine.com/uploads/1/3/0/6/130604640/ropakogofazipof_dagex_rovofekitutovav_selij.pdf
    • http://theblocksportsbar.com/uploads/1/3/1/1/131163751/buxadejadof_gukowosazawegem.pdf
    • http://mirandacraig.co/uploads/1/3/0/8/130814338/tugof.pdf
    • http://hunterswifehunterslife.com/uploads/1/3/0/4/130476351/litulax_dinewifip.pdf
    • http://beyondthebody.net/uploads/1/3/0/2/130274151/1477086.pdf
    • http://legsnoserobinson.com/uploads/1/3/0/5/130589223/264fd654.pdf
    • http://mcc-re.org/uploads/1/3/0/7/130738661/dafededuko-botenanawarilok-rapexotaxoz.pdf
    • http://smartdevelopmentgrp.com/uploads/1/3/0/6/130604031/likonujakajijov-mutofejosoxad.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005cac.bin
1f6a2aa7633d97985c0c93c9c4089b6d2378690ee000676ba1e17095a9452544		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5CAC 8876 bytes

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