Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0725e870778a6c5…

MALICIOUS

PDF

32.8 KB Created: 2020-04-08 10:01:05 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4ed5f522f2b5d192188d2662d019ed95 SHA-1: 1160adf3c4543d6f9d100dfbfdbe6c9dfded92e3 SHA-256: e0725e870778a6c56c1a1dc2e8a64a1e73f82ea5d84935684f7aa1607c5eb7ad
62 Risk Score

Malware Insights

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

The PDF document was identified as malicious due to a heuristic firing indicating a 'PDF_SEO_LINK_FARM'. This suggests the document's primary purpose is to host a large number of external links. The document body contains a URL that appears to be part of this link farm. The extracted URLs are likely used to redirect users to malicious sites, potentially for phishing or malware delivery.

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://filtermlst.net/uploads/1/3/0/9/130969385/130969385.html#abu+garcia+ambassadeur+6500+c3+diagram
    • http://rjdbooks.com/uploads/1/3/0/9/130970016/59c0f907a15d688.pdf
    • http://whitlockholding.com/uploads/1/3/0/7/130740393/xogopadure.pdf
    • http://denniceyoga.com/uploads/1/3/0/7/130775831/fifogina.pdf
    • http://haulfestivals.com/uploads/1/3/1/3/131383933/6935986.pdf
    • http://myentelechy.com/uploads/1/3/0/8/130814219/6402986.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_off00005ae2.bin
cc8e44eea85271c1ab314c1cafe9359fe7a701d6bded78872a89ed90c46382bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AE2 6572 bytes

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