Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2756b26c6ba9f9d…

MALICIOUS

PDF

46.8 KB Created: 2020-08-17 01:51:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 96514b3b7ef9c2bec7c6cc38b8002b7e SHA-1: ab717310a842f5496f430c17648275c6eaf84582 SHA-256: f2756b26c6ba9f9dceeef459a044698b98ed45d58a496cd8e6dd001b18174436
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains text that appears to be a lure for 'chalo hd movie . com' and includes the malicious URL. The PDF also contains a large number of embedded links, many pointing to Shopify domains, suggesting a link farm or redirection strategy. The primary malicious IOC is the redirector URL.

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=chalo+hd+movie+.+com
    • http://files.wearemindnmusic.com/uploads/1/3/0/8/130874329/b88145c.pdf
    • http://mukip.debrapeekhaynes.com/uploads/1/3/1/4/131407440/fusam_kamujoluji.pdf
    • http://fazob.elexadawson.com/uploads/1/3/1/4/131453358/mafab_buzegak.pdf
    • http://files.debbybolandwatt.net/uploads/1/3/1/6/131606431/d5653e7.pdf
    • https://cdn.shopify.com/s/files/1/0432/6532/7262/files/18315295811.pdf
    • https://cdn.shopify.com/s/files/1/0434/0101/9548/files/9151865180.pdf
    • https://cdn.shopify.com/s/files/1/0432/1411/0880/files/wemebeje.pdf
    • https://cdn.shopify.com/s/files/1/0431/3494/3388/files/74970818468.pdf
    • https://cdn.shopify.com/s/files/1/0432/9802/9733/files/satiladelekamabo.pdf
    • https://cdn.shopify.com/s/files/1/0432/1411/0880/files/gozukezabevabefolovivem.pdf
    • https://cdn.shopify.com/s/files/1/0454/2873/6168/files/zamosatowexepoduwuladepa.pdf
    • https://cdn.shopify.com/s/files/1/0434/7399/3890/files/gozutalozarugub.pdf
    • https://cdn.shopify.com/s/files/1/0439/5276/7131/files/broon_s_bane.pdf
    • https://cdn.shopify.com/s/files/1/0433/0009/4112/files/50266217914.pdf
    • https://cdn.shopify.com/s/files/1/0432/3354/2303/files/project_management_body_of_knowledge.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000572f.bin
270899bfb6a86edfa493dec5d21c46a5fa823ae2743f39c59c8ad8f00d34ef61		 pdf-font-stream PDF embedded font (sfnt) at offset 0x572F 4624 bytes
font_01_sfnt_off000066ea.bin
f4b061a3b9b71a9495b32c8c1c407fa72941a737fdd77c01b786b91e2a2faad2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66EA 10548 bytes
font_02_sfnt_off00008b09.bin
e296a61d2d303e35be9e1a35631556663d2780498efa7e8f3867bf557f172fe6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B09 16164 bytes
font_03_sfnt_off0000a020.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA020 4324 bytes

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