Malicious PDF — malware analysis report

Static analysis result for SHA-256 29e464f04967a567…

MALICIOUS

PDF

41.0 KB Created: 2020-08-19 04:31:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 47ae0b78ea0e29c83ac39ad659656027 SHA-1: a9ec6701ba460873e675353a4ed25141fdba04ab SHA-256: 29e464f04967a567296ab8695a30e6e78ec8da4cb10c7d39a57580ba48628096
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains embedded links that point to a known malicious redirector, disguised with keywords related to 'APC Smart UPS 3000 XL software'. The document also functions as a link farm, directing users to numerous other PDFs, likely for SEO poisoning or to obscure the malicious destination. No scripts were extracted, but the primary malicious activity appears to be redirecting users to potentially harmful content.

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.ru/pify?keyword=apc+smart+ups+3000+xl+software
    • http://files.materialcatolicoive.org/uploads/1/3/0/8/130874457/vizepib.pdf
    • https://cdn.shopify.com/s/files/1/0433/3341/9160/files/piwitagawa.pdf
    • https://cdn.shopify.com/s/files/1/0430/4430/7098/files/banners_someone_to_you_song.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/25668779603.pdf
    • https://cdn.shopify.com/s/files/1/0436/2852/7776/files/gafirar.pdf
    • https://cdn.shopify.com/s/files/1/0429/3260/0985/files/46220771894.pdf
    • https://cdn.shopify.com/s/files/1/0434/4040/6684/files/vitupegekikeji.pdf
    • https://cdn.shopify.com/s/files/1/0432/8059/7152/files/9054900687.pdf
    • https://cdn.shopify.com/s/files/1/0440/0083/7782/files/auto_formation_windev_23.pdf
    • https://cdn.shopify.com/s/files/1/0437/4082/3701/files/anointing_prayers.pdf
    • https://cdn.shopify.com/s/files/1/0427/8091/7926/files/list_of_b_pharm_colleges_in_tamilnadu.pdf
    • https://cdn.shopify.com/s/files/1/0448/5578/7681/files/net_tv_apps_android_apk.pdf
    • https://cdn.shopify.com/s/files/1/0432/7538/7043/files/fusufutakaraxexuruzu.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_off00005e8b.bin
a8f7768b4993edec7ef47de70e482ab949fd00576c6a980298b701bdce17ff69		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E8B 5616 bytes
font_01_sfnt_off0000719d.bin
f086ed24b7299276a4d893255208a51b44c66659a02c6d142c803c3cf7892077		 pdf-font-stream PDF embedded font (sfnt) at offset 0x719D 10684 bytes

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