Malicious PDF — malware analysis report

Static analysis result for SHA-256 876f78966e3f2a96…

MALICIOUS

PDF

41.2 KB Created: 2020-04-22 04:10:47 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 44ecf36523c0706c91cf0b46a71fcf1d SHA-1: b992940536f2aadac2cbb24a1aab3a77e64df9d1 SHA-256: 876f78966e3f2a96ddec5ef0fdd3284956acdc139516b91449bd033cf391cffe
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 document body, though corrupted, suggests a lure related to 'ancestry composition report'. The critical heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, with 'lilibugsshop.com' being a dominant host. This suggests the primary goal is to drive traffic to potentially compromised or malicious domains.

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://swcounselingexam.com/uploads/1/3/0/8/130814673/130814673.html#23+and+me+ancestry+composition+report
    • http://lilibugsshop.com/uploads/1/3/0/4/130435755/pofevik.pdf
    • http://lovelaceexecutivesearch.com/uploads/1/3/0/7/130776120/juzagekuroji.pdf
    • http://hellajuice.org/uploads/1/3/1/4/131405977/niwumofimerutot_dikap_mikizeretivot_jemuj.pdf
    • http://skdurable.com/uploads/1/3/0/8/130814731/riwopevaz.pdf
    • http://specialdental.net/uploads/1/3/1/4/131437293/2862176.pdf
    • http://myrnaphillips.com/uploads/1/3/0/6/130620746/xixirutoxadezosigu.pdf
    • http://whyeatplants.com/uploads/1/3/0/4/130483469/wepukabotidi.pdf
    • http://yoganique.net/uploads/1/3/0/2/130270885/kepejetudikijasaroka.pdf
    • http://votenebraska.org/uploads/1/3/0/6/130604292/2ba393862.pdf
    • http://melodyfischettiea.com/uploads/1/3/0/9/130969899/pevetijegilukubok.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_off0000781a.bin
931747613b25d6c0dbd487f6c4ad96312e11ba8b7d6c8de0f5f1175956b8ea06		 pdf-font-stream PDF embedded font (sfnt) at offset 0x781A 8548 bytes

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