Malicious PDF — malware analysis report

Static analysis result for SHA-256 b72fa4271dd634a8…

MALICIOUS

PDF

37.4 KB Created: 2020-08-19 11:12:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a4768355aa60d0a98331d62e8327abbd SHA-1: 67013a824e8a90e66a826264855cc9db883cfd34 SHA-256: b72fa4271dd634a84e7c83ae9ca3f29511c5c86dc6764200c5e7d7c15672d0de
128 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=minions+banana+video+song+free'. This URL is likely part of a phishing or scam campaign. The document also contains a large number of embedded links, many of which point to Shopify domains hosting PDF files, suggesting a link farm or content distribution mechanism for malicious payloads. The document body contains garbled text but includes the malicious URL and a benign-looking PDF URL, likely as part of the lure.

Heuristics 4

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=minions+banana+video+song+free
    • http://files.mairibudreau.com/uploads/1/3/0/7/130776864/ziwawajobigogefivane.pdf
    • http://files.nickosharizanos.com/uploads/1/3/1/0/131070518/tesetolukar-zokut.pdf
    • http://files.mekongtimberplantations.com/uploads/1/3/1/4/131437061/4062a.pdf
    • http://xulide.artistangst.com/uploads/1/3/0/8/130813059/9e3b139.pdf
    • https://cdn.shopify.com/s/files/1/0454/6088/1560/files/femogilerodonisaji.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lekerumukin.pdf
    • https://cdn.shopify.com/s/files/1/0439/0453/2648/files/daparegebebor.pdf
    • https://cdn.shopify.com/s/files/1/0429/1965/7635/files/functional_programming_language.pdf
    • https://cdn.shopify.com/s/files/1/0430/2559/6573/files/facebook_ads_curso.pdf
    • https://cdn.shopify.com/s/files/1/0432/9465/4632/files/37478735780.pdf
    • https://cdn.shopify.com/s/files/1/0435/7550/9155/files/50338238452.pdf
    • https://cdn.shopify.com/s/files/1/0433/6196/0091/files/2237078114.pdf
    • https://cdn.shopify.com/s/files/1/0434/6658/8325/files/70106592984.pdf
    • https://cdn.shopify.com/s/files/1/0429/8083/5482/files/19490175413.pdf
    • https://cdn.shopify.com/s/files/1/0432/1837/0728/files/zabotobamokunemoso.pdf
    • https://cdn.shopify.com/s/files/1/0432/7853/2758/files/turelitefuzakepexus.pdf
    • https://cdn.shopify.com/s/files/1/0428/8770/8825/files/astable_multivibrator_555.pdf
    • https://cdn.shopify.com/s/files/1/0437/0749/8647/files/renexonumokadinuji.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_off000047d9.bin
834439649081d58667928bced31c9d61b136b47493c0f788d7005e4e18f7f7b4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x47D9 4956 bytes
font_01_sfnt_off000058c2.bin
ea9cd9277b4058e4e16c2391262be1bbff195d7fd080e1213947ac0798466a6e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58C2 9824 bytes
font_02_sfnt_off00007a70.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A70 4324 bytes

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