Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b9cf44c248e9fc5…

MALICIOUS

PDF

50.1 KB Created: 2020-08-26 13:42:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3ddaed9f8d9708ecb44cdd8d75c2461f SHA-1: 246be967dc7517e8631b15010174ef7aa8a40aff SHA-256: 7b9cf44c248e9fc50801760aa026b23c2d82d2d63146280255d3e294e2c6f68c
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the text 'Kevin gates the truth' and the malicious URL 'https://ttraff.me/pify?keyword=kevin+gates+the+truth', suggesting a lure to attract clicks. The presence of a link farm and a malicious redirector indicates an attempt to distribute malicious content or lead users to phishing sites.

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.me/pify?keyword=kevin+gates+the+truth
    • http://files.njtaxis.com/uploads/1/3/1/4/131452878/b219a1f770eb191.pdf
    • http://fikek.douxoverdesign.com/uploads/1/3/2/3/132302868/1856062.pdf
    • http://files.travelwithgenie.com/uploads/1/3/0/7/130738639/875a332b.pdf
    • https://cdn.shopify.com/s/files/1/0435/8720/7331/files/muleluxujaniwewo.pdf
    • https://cdn.shopify.com/s/files/1/0437/8198/0321/files/bact_alert_3d_user_manual.pdf
    • https://cdn.shopify.com/s/files/1/0436/7053/6345/files/93911341807.pdf
    • https://cdn.shopify.com/s/files/1/0429/4678/9542/files/loseguminenomusuriza.pdf
    • https://cdn.shopify.com/s/files/1/0429/9050/2051/files/47536413479.pdf
    • https://cdn.shopify.com/s/files/1/0430/8546/3713/files/31528083134.pdf
    • https://cdn.shopify.com/s/files/1/0446/3670/0835/files/couper_gratuit.pdf
    • https://cdn.shopify.com/s/files/1/0432/5962/5627/files/virginia_power_outage_report_number.pdf
    • https://cdn.shopify.com/s/files/1/0429/4947/6518/files/nenanas.pdf
    • https://cdn.shopify.com/s/files/1/0432/8770/7812/files/luzikezapekivuxasili.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006e7c.bin
10e65da3a0d5a2cb6faec25968d9c7072cd48d98c386818a576a902f55ce9590		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E7C 4944 bytes
font_01_sfnt_off00007f57.bin
31fec3f8dcb52a151146d5660ad67edbf2987d4654b923e82c3ea631709c824a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F57 10716 bytes
font_02_sfnt_off0000a41a.bin
6a2a81c81b7b79a3bd33cae9d96cb8b3720f8bdf57bdfdfc1b8674ea8870a864		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA41A 16300 bytes

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