Malicious PDF — malware analysis report

Static analysis result for SHA-256 95a89e1edb613cda…

MALICIOUS

PDF

43.4 KB Created: 2020-08-31 03:43:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: feaf927a4ea3e26238713ee7499ed1ef SHA-1: fdc85874d7cb0f62a0b8cca24c02934ce5b0f443 SHA-256: 95a89e1edb613cda2ddafc7a371b09862e6d6c0f791cc950aa05da5dfa739346
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous links to Shopify domains, though these specific links were classified as benign. The presence of the malicious redirector suggests an attempt to lure the user to a harmful site, likely for phishing or malware delivery. No scripts were extracted, and the document body was heavily obfuscated.

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/wix?keyword=what+everybody+is+saying+joe+navarro+pdf
    • https://cdn.shopify.com/s/files/1/0429/0582/9532/files/liwutedawowigujoxerar.pdf
    • https://cdn.shopify.com/s/files/1/0428/7974/6201/files/52009319157.pdf
    • https://cdn.shopify.com/s/files/1/0431/3926/8774/files/waporujexoxunudozotek.pdf
    • https://cdn.shopify.com/s/files/1/0431/0512/4516/files/nekinovabumofage.pdf
    • https://cdn.shopify.com/s/files/1/0438/9391/5800/files/dalujoroxigebe.pdf
    • https://cdn.shopify.com/s/files/1/0434/6452/3926/files/60104356793.pdf
    • https://cdn.shopify.com/s/files/1/0437/3495/8229/files/acl_reconstruction_physiotherapy_protocol.pdf
    • https://cdn.shopify.com/s/files/1/0431/6617/1296/files/74447301668.pdf
    • https://cdn.shopify.com/s/files/1/0438/6249/1286/files/rubugud.pdf
    • https://cdn.shopify.com/s/files/1/0429/8326/0314/files/58088935081.pdf
    • https://cdn.shopify.com/s/files/1/0430/1085/0979/files/68441485648.pdf
    • https://cdn.shopify.com/s/files/1/0463/0354/3453/files/a_song_hey_dj.pdf
    • https://static.usrfiles.com/ugd/b8c837_6c106e07f52c403bb00a9ab8189df849.pdf
    • https://static.usrfiles.com/ugd/b8c837_a4503845d5b84f0ca63de83f4af63989.pdf
    • https://static.usrfiles.com/ugd/9ec29b_4f59d7b557304c6eaada4420c4c3f169.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_off00006b08.bin
e330d2b74e0ef5678f14e90b0a6f361b0c800a563d4ae2e329d707975f6dce7a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6B08 5664 bytes
font_01_sfnt_off00007e5c.bin
cc9f44d6c296a54ffb7dcc49a2079dc7f893360ff5e5f51c7b281f4270c23169		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E5C 10088 bytes

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