Malicious PDF — malware analysis report

Static analysis result for SHA-256 2a853b9245e360e1…

MALICIOUS

PDF

82.9 KB Created: 2020-08-30 04:20:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 47a29e00dcd8d2b1bd8a32902e0b3676 SHA-1: 518e5a28a22efcc8e1b47d9de674f76b487a9e1d SHA-256: 2a853b9245e360e18d071216d1c94f3868d48f999c7adcad98b1da7bd4dbfd0c
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to movie keywords, suggesting a lure. The presence of a malicious redirector indicates an attempt to lead the user to a harmful destination, likely for phishing or malware delivery.

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/wix?keyword=tamil+dubbed+thriller+movies+collect
    • https://cdn.shopify.com/s/files/1/0430/4424/1557/files/20714300597.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tugogesobiwem.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dedifoniwupub.pdf
    • https://cdn.shopify.com/s/files/1/0433/8027/7406/files/3841159778.pdf
    • https://cdn.shopify.com/s/files/1/0431/1420/1250/files/pmp_certification_questions_and_answers_2017.pdf
    • https://cdn.shopify.com/s/files/1/0431/1089/1682/files/yasser_seirawan_winning_chess_endings.pdf
    • https://cdn.shopify.com/s/files/1/0433/0238/7867/files/14576710922.pdf
    • https://cdn.shopify.com/s/files/1/0432/4645/2899/files/wing_chun_techniques.pdf
    • https://static.usrfiles.com/ugd/4b874d_26370084682c4f3593f150ee82ccb5a8.pdf
    • https://static.usrfiles.com/ugd/de60da_f0ea886ccf1b4643a3f20f769049bed3.pdf
    • https://static.usrfiles.com/ugd/9ff9b8_d759f21356b648228a9804a874134d73.pdf
    • https://cdn.shopify.com/s/files/1/0434/2956/0476/files/gcta_law_philippines.pdf
    • https://cdn.shopify.com/s/files/1/0431/7590/3392/files/wibefijijofirotaburu.pdf
    • https://cdn.shopify.com/s/files/1/0432/6454/0835/files/libefozawozililet.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e767.bin
d98dc0fe9e088cc84b16cf80ffbca272228a359a079209342b4a93673e2d974b		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE767 5328 bytes
font_01_sfnt_off0000f959.bin
139901f1e0e801232d38e81a60d79e33811ef56f7887e16eaee11ef559844dc2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF959 15200 bytes
font_02_sfnt_off000128ce.bin
ead7fd593d7f5feef6f283420e9b55f8fa4552f107c64b0063d474dd3355abd8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x128CE 16164 bytes

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