Malicious PDF — malware analysis report

Static analysis result for SHA-256 aebc96aced427072…

MALICIOUS

PDF

41.7 KB Created: 2020-05-20 01:56:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 954e7cfc29d9908e408849dc27f23d9f SHA-1: c8e009be9560601aaccad5dd709f1629ef212e23 SHA-256: aebc96aced427072c92a51880746879473fa53bf72267f9457d825672e11daa0
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, a technique often used for SEO poisoning or to redirect users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, indicating a likely attempt to distribute malware or phishing content through these links. The document body itself appears to be corrupted or obfuscated, making it difficult to ascertain a specific lure beyond the presence of numerous external URLs.

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://8128.work/uploads/1/3/0/8/130873839/130873839.html#harman+kardon+hk+3770+review
    • http://thefreelancersclan.com/uploads/1/3/1/4/131437198/kivepil.pdf
    • http://settlementbookkeeping.com/uploads/1/3/0/6/130640061/zejalakuze-sozusu-majowaginise-bafowimenejose.pdf
    • http://goforlaunch.net/uploads/1/3/0/5/130550993/f770ae4192a257.pdf
    • http://joinepicrealty.com/uploads/1/3/0/4/130476083/2214505.pdf
    • http://angelfund.ca/uploads/1/3/0/7/130775817/goduvom.pdf
    • http://maintenantici.com/uploads/1/3/0/7/130775647/jakisan.pdf
    • http://illuminatedimaging.net/uploads/1/3/0/7/130739375/8545512.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_off00007756.bin
08901a8cb07f347d3215021020659c5bf383c9b01b3b35af7190684da9b89d48		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7756 10788 bytes

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