Malicious PDF — malware analysis report

Static analysis result for SHA-256 5a014d368adc0db7…

MALICIOUS

PDF

41.1 KB Created: 2020-08-24 12:09:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7fd14bb6d2c9409052a8f40f8d9ed08d SHA-1: e177c181925730c3e730deb0ef04f65d0c9c01c1 SHA-256: 5a014d368adc0db755bd0f6bf7614198509d2b2ae16fb1a3b845172db5297db6
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. It also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The document body, though heavily obfuscated, contains the target URL, suggesting an attempt to disguise the malicious link within seemingly legitimate content. The primary intent appears to be redirecting the user to a malicious site, likely for phishing or to download further malware.

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=barbara+marciniak+bringers+of+the+dawn+pdf
    • http://files.myhealthandwellnessmatters.net/uploads/1/3/0/8/130874180/pelaxelakeg.pdf
    • http://files.franklinjgreene.com/uploads/1/3/0/9/130970009/wurenipezixemagagege.pdf
    • https://cdn.shopify.com/s/files/1/0431/3966/1981/files/funutinogirarexurugutoneb.pdf
    • https://cdn.shopify.com/s/files/1/0431/6299/2795/files/wegilefobipelenukobe.pdf
    • https://cdn.shopify.com/s/files/1/0433/6825/1548/files/23275158516.pdf
    • https://cdn.shopify.com/s/files/1/0429/6926/8383/files/ncaa_clearinghouse_information_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0428/5802/1027/files/gipisug.pdf
    • https://cdn.shopify.com/s/files/1/0433/9335/1843/files/boeing_737_300_maintenance_manual.pdf
    • https://cdn.shopify.com/s/files/1/0453/9252/7528/files/demujibidodisab.pdf
    • https://cdn.shopify.com/s/files/1/0430/0052/9049/files/50184370285.pdf
    • https://cdn.shopify.com/s/files/1/0437/1883/6389/files/metformin_side_effects_on_menstruation.pdf
    • https://cdn.shopify.com/s/files/1/0466/4986/8453/files/fexajijajumozudo.pdf
    • https://cdn.shopify.com/s/files/1/0430/6203/4589/files/65374402280.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_off00006150.bin
f2a9354e7354e4a31efdb5f897e5482405f08f78485d510abb8230842e888b8d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6150 5880 bytes
font_01_sfnt_off00007538.bin
085dcc235728fd78543e26b32087e4f28dea2c4a2663d09119f001b5c5f2d5dd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7538 10080 bytes

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