Malicious PDF — malware analysis report

Static analysis result for SHA-256 e06eca683b7cfb48…

MALICIOUS

PDF

85.7 KB Created: 2020-09-21 02:18:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a0e4ef46309589d5bc1ea8829623369c SHA-1: 014829e60f3b87beb8467dce1de340bba9f47a64 SHA-256: e06eca683b7cfb485cea3766f372438ce268fb1d7c0970a5db89fa594dc66338
150 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one critical heuristic identifying a link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.link/wix?keyword=watch+dogs+trainer+fling', suggesting a lure to external malicious content. The presence of numerous other PDF links further indicates a link farm or redirection strategy.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.link/wix?keyword=watch+dogs+trainer+fling
    • http://files.brothersautoparts5.com/uploads/1/3/0/7/130739062/553b6a90.pdf
    • http://moxep.ywca-orangecty.org/uploads/1/3/1/3/131381806/dapowasukaru.pdf
    • http://tigikoma.blacksprucestudio.com/uploads/1/3/1/4/131406226/7842249.pdf
    • https://cdn.shopify.com/s/files/1/0433/6772/7269/files/61894129349.pdf
    • https://cdn.shopify.com/s/files/1/0433/5458/7288/files/ti-_89_manual.pdf
    • https://cdn.shopify.com/s/files/1/0431/6617/1296/files/sajakemewenuri.pdf
    • https://cdn.shopify.com/s/files/1/0432/5795/4464/files/jaliwedanovezejelek.pdf
    • https://cdn.shopify.com/s/files/1/0462/2771/8293/files/24232680370.pdf
    • https://cdn.shopify.com/s/files/1/0462/2771/8293/files/betternet_premium_apk_4._6._1.pdf
    • https://cdn.shopify.com/s/files/1/0433/8801/0659/files/53773139186.pdf
    • https://cdn.shopify.com/s/files/1/0432/6657/2452/files/gigamovitiwivuli.pdf
    • https://cdn.shopify.com/s/files/1/0483/0347/2795/files/55756498385.pdf
    • https://cdn.shopify.com/s/files/1/0434/1995/9454/files/zatuz.pdf
    • https://cdn.shopify.com/s/files/1/0431/5637/3659/files/bulutorukiw.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_off00010d14.bin
d13e57d36cca4e6ace426c5d3f79703300273dcd7cd7c1e4e6f8c934ca118fbd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10D14 5296 bytes
font_01_sfnt_off00011f1f.bin
5e733b107bbd9d94972f3c66e327ceb985cb273bcad62dd4682eae9e6b85f70e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11F1F 13160 bytes

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