Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0e44b5fde78d5ae…

MALICIOUS

PDF

62.5 KB Created: 2020-08-11 00:57:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5a14a585fad861c7fba03cdc2962271c SHA-1: 321f626440354e577151865787b055506c1f03d1 SHA-256: f0e44b5fde78d5ae23ad758fc711076824eee1208af5f1384771972adc647113
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=urdu+alphabets+writing+practice+worksheets+pdf'. The document body, though heavily obfuscated, contains this URL, suggesting the primary intent is to lure the user to this malicious site. The file also exhibits characteristics of a link farm, with numerous external PDF links, further supporting the redirection attack pattern.

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.com/pify?keyword=urdu+alphabets+writing+practice+worksheets+pdf
    • http://files.greencityappliancerepair.com/uploads/1/3/1/4/131438114/tukinixogud-xolixalituja-mebutogapesife.pdf
    • http://files.rtsgolfshop.com/uploads/1/3/0/9/130969965/4249151.pdf
    • http://nakinab.jayleeellis.com/uploads/1/3/1/4/131452883/rurida-pavegabapusuwen-selotis.pdf
    • https://cdn.shopify.com/s/files/1/0434/6901/3157/files/reruzedejiwifamog.pdf
    • https://cdn.shopify.com/s/files/1/0429/2316/3801/files/98500242301.pdf
    • https://cdn.shopify.com/s/files/1/0433/9436/7649/files/67271131367.pdf
    • https://cdn.shopify.com/s/files/1/0428/0962/2687/files/censor_beep_sound_effect.pdf
    • https://cdn.shopify.com/s/files/1/0438/8388/8808/files/kipegitov.pdf
    • https://cdn.shopify.com/s/files/1/0428/5195/8947/files/sakosu.pdf
    • https://cdn.shopify.com/s/files/1/0428/5225/3863/files/rebemonopa.pdf
    • https://cdn.shopify.com/s/files/1/0432/0293/6992/files/computer_application_in_mechanical_engineering_book.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wefudebavisizaku.pdf
    • https://cdn.shopify.com/s/files/1/0440/5932/8662/files/dezig.pdf
    • https://cdn.shopify.com/s/files/1/0433/4950/8250/files/rakikifebaxebajoruf.pdf
    • https://cdn.shopify.com/s/files/1/0436/9167/1705/files/36413135590.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_off0000b692.bin
20b38ea3ba149c22b2583365ce2905f68ab65fb2adcb886337589d453f233a5f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB692 5704 bytes
font_01_sfnt_off0000c9fa.bin
f98b18ca856903d8483eadea7786dea8abfdd53d7e14696609d823961ecfeabc		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC9FA 10144 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.