Malicious PDF — malware analysis report

Static analysis result for SHA-256 5831ea0336a3405e…

MALICIOUS

PDF

44.5 KB Created: 2020-08-14 23:41:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 643786af21cee505c5c14dfde13169e0 SHA-1: 9268ed1f4d9df79ad897dd5e32c8933be4aeb7bf SHA-256: 5831ea0336a3405e6801a6cfa73f54c01510f68054315721e01a90d942faa3d7
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with a critical heuristic firing indicating a malicious redirector. The primary malicious URL, 'https://ttraff.cc/pify?keyword=informatica+mdm+hub+guide', is designed to lure users. The document body, though heavily obfuscated, contains references to this URL and other Shopify links, suggesting a link farm or redirection strategy. No scripts were extracted, but the PDF structure and embedded links strongly indicate a phishing or redirection attack.

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/pify?keyword=informatica+mdm+hub+guide
    • http://files.ghanawebnews.online/uploads/1/3/0/7/130775280/72445c25a.pdf
    • https://cdn.shopify.com/s/files/1/0434/8359/4917/files/93810435555.pdf
    • https://cdn.shopify.com/s/files/1/0431/7141/4173/files/bullet_force_mod_apk_data.pdf
    • https://cdn.shopify.com/s/files/1/0434/5731/4977/files/83657030260.pdf
    • https://cdn.shopify.com/s/files/1/0431/2832/4257/files/lujeg.pdf
    • https://cdn.shopify.com/s/files/1/0431/6741/6488/files/xamejabab.pdf
    • https://cdn.shopify.com/s/files/1/0430/3480/4375/files/77611100633.pdf
    • https://cdn.shopify.com/s/files/1/0429/8221/1733/files/33705718091.pdf
    • https://cdn.shopify.com/s/files/1/0449/5199/4536/files/learn_storyboarding.pdf
    • https://cdn.shopify.com/s/files/1/0432/2561/2450/files/bametejifowavibedeguva.pdf
    • https://cdn.shopify.com/s/files/1/0428/1411/1903/files/mijaxepijanofutorireridu.pdf
    • https://cdn.shopify.com/s/files/1/0434/0305/1171/files/50450561142.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_off00006405.bin
02576c52a17f6c08ae3d122a37cce09a8a988b388c0e04d01fd3155724c53621		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6405 5184 bytes
font_01_sfnt_off0000756b.bin
c4f9f07f2cdb83bc69a6b196aedf1fbf764303befe5f46e87795e5cde62e1e44		 pdf-font-stream PDF embedded font (sfnt) at offset 0x756B 10000 bytes
font_02_sfnt_off0000976b.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x976B 4324 bytes

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