Malicious PDF — malware analysis report

Static analysis result for SHA-256 cafdf8cc93a9c607…

MALICIOUS

PDF

39.6 KB Created: 2020-03-10 06:26:20 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5b8cd94754fb73fdfa8d33c84b2a01ca SHA-1: 5b73cf39bd6e2fe0fca8b68fb52aaa300da18a6a SHA-256: cafdf8cc93a9c607c6a082a8cce370929f643c5c9d9125836127957476a08b84
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links to various domains, a technique often used for SEO poisoning or to redirect users to malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, indicating a likely attempt to distribute malware or phishing content through a network of generated PDF files. The embedded URLs point to similarly structured PDF files on other domains, reinforcing the idea of a link farm designed for malicious redirection.

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://0tyki.bpmtc.com/uploads/1/3/0/2/130288729/130288729.html#dulce+et+decorum+est+pro+patria+mori+pdf
    • http://ginniarnp.com/uploads/1/3/0/3/130323281/katojop.pdf
    • http://greatsolution.info/uploads/1/3/0/9/130969965/e3341fe626.pdf
    • http://strymoon.com/uploads/1/3/0/6/130604448/8052052.pdf
    • http://www.powerstrokeconcepts.com/uploads/1/3/0/8/130874079/8857379.pdf
    • http://forcevolleyball.org/uploads/1/3/0/7/130775447/penurupupuvewaw.pdf
    • http://www.bunnylovesgarden.com/uploads/1/3/0/7/130740175/gokijiva.pdf
    • http://emarketing.inspiredwellbeing.com.au/uploads/1/3/0/6/130605078/481150.pdf
    • http://northernlightshockeynj.com/uploads/1/3/0/2/130270985/tijebufew.pdf
    • http://www.ayalapropertyfinder.com/uploads/1/3/0/2/130288626/kimem.pdf
    • http://www.savannahsoule.com/uploads/1/3/0/6/130639407/ef7d0f2b4a2.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_off0000740a.bin
b08eb67ae53dd1431a1899b1b199fefe0490426f47cc203f1ee7f8f70d839289		 pdf-font-stream PDF embedded font (sfnt) at offset 0x740A 7636 bytes

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