Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f6253f484e9db47…

MALICIOUS

PDF

41.8 KB Created: 2020-08-17 05:55:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 721cb44a4268018fadb9dfa3acf888fd SHA-1: 302531962469b05ef03041a0adb2275895b5559f SHA-256: 1f6253f484e9db478c06082e0f1910499c802a310f0be4d0c8f6fbe59eb4527d
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 'https://ttraff.com/pify?keyword=apk+adobe+premiere+pro+for+laptop'. This URL is likely part of a lure to trick users into downloading software. The document also exhibits characteristics of a link farm, with numerous embedded links to PDF files hosted on various domains, including Shopify. The presence of these links and the redirector strongly suggests a phishing or malware distribution attempt.

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=apk+adobe+premiere+pro+for+laptop
    • http://files.m2dsmedia.com/uploads/1/3/2/6/132681438/zafibagojobomufuga.pdf
    • http://degap.masonmansungkang.com/uploads/1/3/0/8/130813604/cfa4e8819a179.pdf
    • http://files.prepstep.biz/uploads/1/3/2/7/132740549/a4e453ea50.pdf
    • http://xozapup.richlytakenphotography.com/uploads/1/3/2/6/132682871/23dad811cda66.pdf
    • http://files.senekal.biz/uploads/1/3/1/4/131455956/biwuwiwexo-powokeroxunu-nitaposiki-situkexon.pdf
    • https://cdn.shopify.com/s/files/1/0427/9376/2975/files/31590837864.pdf
    • https://cdn.shopify.com/s/files/1/0431/9494/1603/files/17673090100.pdf
    • https://cdn.shopify.com/s/files/1/0434/7379/7285/files/natikegorose.pdf
    • https://cdn.shopify.com/s/files/1/0440/7522/1144/files/apj_abdul_kalam_quotes_in_telugu.pdf
    • https://cdn.shopify.com/s/files/1/0438/5865/7430/files/ratajedesegunikivan.pdf
    • https://cdn.shopify.com/s/files/1/0431/0790/9781/files/laponosas.pdf
    • https://cdn.shopify.com/s/files/1/0439/4647/5678/files/uniquely_you_dress_form.pdf
    • https://cdn.shopify.com/s/files/1/0432/6372/1637/files/beamer_tutorial.pdf
    • https://cdn.shopify.com/s/files/1/0432/8616/7702/files/public_health_act_and_policies_in_zambia.pdf
    • https://cdn.shopify.com/s/files/1/0429/2454/0071/files/8472415836.pdf
    • https://cdn.shopify.com/s/files/1/0449/8610/6014/files/48457973993.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_off000066d8.bin
d9df11487acf98a3f46ee37d3c763c507f12391883ab5c93aceb55b6b840e6f0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x66D8 5200 bytes
font_01_sfnt_off00007873.bin
0fb3d5419963cd5d1413591e9b94a83ca8d9843910922d14da34d78845eecdac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7873 9884 bytes

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