Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e10e6d839eb207a…

MALICIOUS

PDF

42.7 KB Created: 2020-08-27 17:46:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 680eaa382f9b35bb47fece401d0f1e21 SHA-1: cf1492188574661c5c4449c00f03c6f84a6edc0f SHA-256: 9e10e6d839eb207afa9dfa186502a54e52bd7547374626e14719a1028296eaa1
120 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a known malicious domain, ttraff.com. The document body, though heavily obfuscated, contains text that appears to be a book title, likely used as a lure. The PDF also contains a large number of external links, many pointing to shopify.com, which is characteristic of SEO link farms used to distribute malicious content. No scripts were extracted from this sample.

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=the+dynamics+of+mass+communication+10th+edition+pdf
    • http://files.lscreativedesign.com/uploads/1/3/1/4/131407292/9637410.pdf
    • http://files.ptediting.com/uploads/1/3/0/7/130739686/fudujopobu-naziselawe-mepobotopobaz.pdf
    • http://files.syfhq.com/uploads/1/3/1/4/131438692/4d38d80a3.pdf
    • http://wawiz.norwichpoetry.org/uploads/1/3/1/3/131380397/e9b2cc9d.pdf
    • http://files.dghealthandfitness.com/uploads/1/3/0/9/130969826/7a311243.pdf
    • https://cdn.shopify.com/s/files/1/0465/5267/8558/files/fuchai_200w_user_manual.pdf
    • https://cdn.shopify.com/s/files/1/0428/8148/2919/files/sirusobutofobugidomaso.pdf
    • https://cdn.shopify.com/s/files/1/0429/4557/7116/files/autumn_leaves_partitura_para_guitarra.pdf
    • https://cdn.shopify.com/s/files/1/0437/5085/0714/files/rakinovubimorugodofi.pdf
    • https://cdn.shopify.com/s/files/1/0432/2865/9870/files/tativebutemuzapujijuga.pdf
    • https://cdn.shopify.com/s/files/1/0437/0658/1147/files/all_instagram_videos_and_photos.pdf
    • https://cdn.shopify.com/s/files/1/0434/5449/6921/files/kakokozamolo.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pujar.pdf
    • https://cdn.shopify.com/s/files/1/0429/9502/4033/files/16704214921.pdf
    • https://cdn.shopify.com/s/files/1/0431/3445/1874/files/zekopuvi.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_off00006775.bin
5ac84d35100febd8483bd298ddede3fa2634278b51fb62fe8df63c3d27c5cae9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6775 5512 bytes
font_01_sfnt_off00007a13.bin
0a7eb7cfb88c46509fea4b74bc13af2afdbef0158c8eb8004543a0e463592a8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7A13 10352 bytes

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