Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0a54264e74df197…

MALICIOUS

PDF

43.1 KB Created: 2020-08-31 07:41:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3d17b5915cc4b32f31bc68c0d2eefb6d SHA-1: 6ef5d2c093e7926f42f67e3a6a059a99dd5898dc SHA-256: d0a54264e74df1972da24d8d671fc7b9c600bfe0c3fd5b538b22f01124346a5d
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL, 'https://ttraff.cc/wix?keyword=freight+forwarding+training+manual+pdf', is presented as a 'freight forwarding training manual pdf' in the document body, suggesting a social engineering lure. The majority of other embedded URLs point to benign Shopify domains, likely used to obscure the malicious intent.

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.cc/wix?keyword=freight+forwarding+training+manual+pdf
    • https://cdn.shopify.com/s/files/1/0436/1404/4323/files/berliner_platz_3_neu.pdf
    • https://cdn.shopify.com/s/files/1/0434/3404/9703/files/gusozetoroxuf.pdf
    • https://cdn.shopify.com/s/files/1/0431/9775/9643/files/mefarofuvixove.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/liwisubusamepumiv.pdf
    • https://cdn.shopify.com/s/files/1/0439/4693/4430/files/consumer_reports_washers_2018.pdf
    • https://cdn.shopify.com/s/files/1/0434/4227/4454/files/tisuxezug.pdf
    • https://cdn.shopify.com/s/files/1/0430/7828/7513/files/tifejomabijivanelogoma.pdf
    • https://cdn.shopify.com/s/files/1/0433/6215/6702/files/tutorial_de_wondershare_filmora.pdf
    • https://static.usrfiles.com/ugd/225520_8f315aecb0b84f4fbfa7bc31acf1afb6.pdf
    • https://static.usrfiles.com/ugd/ab922d_9a59891f7a694b65847dc83a3ba4e2c2.pdf
    • https://static.usrfiles.com/ugd/32acb1_00847cfe66bb4c748a525f6d094af3ef.pdf
    • https://cdn.shopify.com/s/files/1/0436/2023/7475/files/50218155595.pdf
    • https://cdn.shopify.com/s/files/1/0452/5208/3869/files/bson_format_full_form.pdf
    • https://cdn.shopify.com/s/files/1/0431/8353/8331/files/lanuxadesuwakoxuxu.pdf
    • https://cdn.shopify.com/s/files/1/0431/4651/0504/files/17154931590.pdf
    • https://cdn.shopify.com/s/files/1/0428/2925/0719/files/10164403499.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_off00006a71.bin
54f870ca41223dcd2da6b1964b49283be49570a8c5f470d11840dc9ed9af0778		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A71 5324 bytes
font_01_sfnt_off00007c7b.bin
f1480f6e36f03ae69ac3395d29b802f83b692849f2800af894bb34bbc49add8d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C7B 10144 bytes

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