Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb54f4ee67b45328…

MALICIOUS

PDF

46.2 KB Created: 2020-08-29 00:04:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4eb44127dcf0ea6dd23921de695f830d SHA-1: a0f0e2366af901ce51d8c41310149d9722c759f3 SHA-256: fb54f4ee67b45328182d1449c09d4197912c6d778ca62c5b306d389b78a154e7
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.cc, which is likely used to host further malicious content or phishing pages. The document body, though partially corrupted, contains text related to 'acquisition of software and hardware' and the malicious URL, suggesting a social engineering lure. The presence of multiple embedded PDF links further indicates a link farm or redirection strategy.

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.cc/wix?keyword=adquisici%25C3%25B3n+de+software+y+hardware
    • https://cdn.shopify.com/s/files/1/0431/8419/3697/files/20941169564.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/29942388251.pdf
    • https://cdn.shopify.com/s/files/1/0428/5048/4390/files/magemireduvepe.pdf
    • https://cdn.shopify.com/s/files/1/0443/8438/7238/files/new_headway_beginner_test_booklet.pdf
    • https://static.usrfiles.com/ugd/b8c837_d603d55f2d9e4556afd594a153c3224a.pdf
    • https://static.usrfiles.com/ugd/b8c837_4f942ffbf94a42d18c802cc273553ebc.pdf
    • https://static.usrfiles.com/ugd/b8c837_52db3154e7c3442d9f3b20996c601b15.pdf
    • https://static.usrfiles.com/ugd/b8c837_7caae7fb7eea4064ac077435fc87f62d.pdf
    • https://static.usrfiles.com/ugd/b8c837_1efd6712ad2f4dc89fe8337ef8203db9.pdf
    • https://static.usrfiles.com/ugd/b8c837_1a1696d41ac94ba9a488f2d11346b43b.pdf
    • https://static.usrfiles.com/ugd/b8c837_27680f9496644a63817a30ae648c4539.pdf
    • https://cdn.shopify.com/s/files/1/0434/5525/0598/files/pintura_acrilica_blanca_manualidades.pdf
    • https://cdn.shopify.com/s/files/1/0433/0923/6374/files/95163299228.pdf
    • https://cdn.shopify.com/s/files/1/0428/9386/9223/files/artificial_intelligence_handwritten_notes.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/
    • https://static.usrfiles.com/ugd/b8c837_d603d55f2d9

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000068cc.bin
42f49836e56f0b021603a8a202ddfae3e5603b5fbab66560245dc495458865fe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68CC 5520 bytes
font_01_sfnt_off00007b57.bin
c21e88dac5e61639596e622365af95bb000c164f26975bb8d57e4c94625403ca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B57 2084 bytes
font_02_sfnt_off00008467.bin
ab38ee02662c104a145dee14243b0f602bf6b3847a73cc4e9f236f1b2dff4354		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8467 11580 bytes

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