Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0a120957fac06d2…

MALICIOUS

PDF

40.7 KB Created: 2020-08-14 23:42:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 58a045614c91983de83987d28189b162 SHA-1: a10742922385bfea25bf78fa2da261725e073d83 SHA-256: d0a120957fac06d223cefa79b368e935a670786cebc31577b7b44715af92a07d
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to Shopify domains. The document body, though heavily corrupted, contains the URL 'https://ttraff.com/pify?keyword=consumer+reports+best+laptops+2017', suggesting a lure related to consumer reports or product reviews to entice clicks.

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=consumer+reports+best+laptops+2017
    • http://files.autoencyclopedie.com/uploads/1/3/1/4/131438069/zipijajotame.pdf
    • https://cdn.shopify.com/s/files/1/0431/7993/3862/files/big_anthony_and_the_magic_ring.pdf
    • https://cdn.shopify.com/s/files/1/0428/4448/7836/files/laruvavawinuwominifiko.pdf
    • https://cdn.shopify.com/s/files/1/0432/6300/0736/files/atherosclerosis_journal.pdf
    • https://cdn.shopify.com/s/files/1/0429/7005/4805/files/northern_blotting_techniques.pdf
    • https://cdn.shopify.com/s/files/1/0436/0830/9923/files/26508333436.pdf
    • https://cdn.shopify.com/s/files/1/0433/4636/2533/files/72499177727.pdf
    • https://cdn.shopify.com/s/files/1/0434/0006/9287/files/tolununuwoze.pdf
    • https://cdn.shopify.com/s/files/1/0432/0516/5216/files/fulaxanizenuwed.pdf
    • https://cdn.shopify.com/s/files/1/0440/7531/9448/files/44872522387.pdf
    • https://cdn.shopify.com/s/files/1/0432/0513/2445/files/30772154169.pdf
    • https://cdn.shopify.com/s/files/1/0432/5844/5979/files/pokupamojepeme.pdf
    • https://cdn.shopify.com/s/files/1/0428/4288/2215/files/96265091805.pdf
    • https://cdn.shopify.com/s/files/1/0430/8133/4933/files/vapax.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_off000060b5.bin
c3a584f13e9e2b5bf4d232b37097fc84f94b13a5ce245c31e2d7d15797c5eda3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60B5 5416 bytes
font_01_sfnt_off00007301.bin
e4919db2d39eb22be7ea7cfdee71bc9d26c1b39a7dc033c430595f2fb5aeedf0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7301 10264 bytes

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