Malicious PDF — malware analysis report

Static analysis result for SHA-256 00f7c79b6bc26c11…

MALICIOUS

PDF

37.7 KB Created: 2020-04-07 21:26:44 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: d7d6bac4d44ba42bedc89a3affcb915e SHA-1: 9806e35d86f7cbdc44056f743d92b044b27515e1 SHA-256: 00f7c79b6bc26c1170422cc253afa78d652991a5abae8692ac71798fa3d236c5
104 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1566 Phishing

The PDF document contains numerous external links, many of which are numerically or generically named, suggesting a link farm designed to host malicious content. The document body explicitly mentions downloading 'gta san andreas for pc/lapt' and includes a direct URL, reinforcing the phishing and malicious link pretext. The ML classifier strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://village-services.com/uploads/1/3/0/2/130289196/130289196.html#download+gta+san+andreas+for+pc%2Flapt
    • http://sumicom.us/uploads/1/3/0/5/130543784/gasifisamagi.pdf
    • http://theironshaker.com/uploads/1/3/0/6/130639943/miliwif.pdf
    • http://r-ewolucje.com/uploads/1/3/0/5/130544541/nadiwivawugawoluzom.pdf
    • http://tarangnitc.org/uploads/1/3/1/3/131382439/8064b5feca0cb.pdf
    • http://smartstarthomeinspections.com/uploads/1/3/0/6/130639087/goxunezoguduv.pdf
    • http://wickedladiesbees.com/uploads/1/3/0/4/130494389/bixabojekemosew_tulas_vafenazino_rekajumoxomez.pdf
    • http://christinadanielleharris.com/uploads/1/3/1/4/131437544/xijataniz.pdf
    • http://selahnisbet.com/uploads/1/3/0/6/130620450/nesok.pdf
    • http://icontransfer.com/uploads/1/3/0/7/130776655/46e2b16bc1f.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_off00006867.bin
432a0546a919a6464102b45b0289c49d627f16f76aef57e22d7f308aabacef82		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6867 8320 bytes

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