Malicious PDF — malware analysis report

Static analysis result for SHA-256 52fddf0a95b05d29…

MALICIOUS

PDF

61.4 KB Created: 2020-09-01 08:00:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 87d1dfca172119a96889b19bd7546a0e SHA-1: 30f98265524a20b5e02ad938443c542d088e386f SHA-256: 52fddf0a95b05d29d08c89547cbb60a4d44349d21781b534b456252bfed2e373
120 Risk Score

Malware Insights

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

The PDF contains a link farm designed to appear as an installation manual, but the primary link redirects to a known malicious domain. This suggests a social engineering tactic to lure users to a potentially harmful site. No scripts were extracted, and the document body was heavily obfuscated, but the presence of a malicious redirector and a large number of external links strongly indicates a phishing or malware distribution attempt.

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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 https://ttraff.me/wix?keyword=ancona+range+hood+installation+manual
    • https://static.usrfiles.com/ugd/6f7357_1ab10efd98ea47d48fb522d3b23a4c90.pdf
    • https://static.usrfiles.com/ugd/234f58_3a529fa14f524ddb88b4d571aff57788.pdf
    • https://static.usrfiles.com/ugd/ee9d3f_90f5921bbda24b949c8c7e1b6fdfd47b.pdf
    • https://static.usrfiles.com/ugd/63022f_137a08d9994b4c0292a63fc7b683a4d8.pdf
    • https://static.usrfiles.com/ugd/3826db_2058e1ca283d4529a4f057b2d8bcd245.pdf
    • https://static.usrfiles.com/ugd/07e02c_11f6229c49474721934ab49321573274.pdf
    • https://static.usrfiles.com/ugd/e745be_fffe74170ed74644a056be3d341eed94.pdf
    • https://static.usrfiles.com/ugd/b8c837_89d332af4a29486188fe47c5a757534d.pdf
    • https://static.usrfiles.com/ugd/e02969_2d54dd7365ce433c8b444991788f9e79.pdf
    • https://cdn.shopify.com/s/files/1/0435/1010/4228/files/rizerikuloxexetoxibejo.pdf
    • https://cdn.shopify.com/s/files/1/0428/9291/8937/files/23499512150.pdf
    • https://cdn.shopify.com/s/files/1/0433/4885/2891/files/bonajapila.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b48b.bin
06cadec5fe3ac9014c6d78621a99c865cf637d30f5ce42ac0905e7b82180b913		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB48B 5340 bytes
font_01_sfnt_off0000c689.bin
46760eb7d7127bd0af8fccb0a717dddb4061ee39b5796084c506170ac9138ccb		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC689 10068 bytes

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