Malicious PDF — malware analysis report

Static analysis result for SHA-256 86c087917ade8e2c…

MALICIOUS

PDF

58.2 KB Created: 2020-07-29 10:47:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 942d43a6802d197bd2eb6541f02c22fc SHA-1: 94b8c5876580915352590c3e2fa70837aef76a75 SHA-256: 86c087917ade8e2c035ba8e8c251094f583650bc45c3b214ea66cbb7e724afd4
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains multiple embedded links, with a critical heuristic firing indicating a malicious redirector link to 'ttraff.cc'. Another critical heuristic identified a link farm strategy, with numerous external PDF links, many hosted on 'cdn.shopify.com'. The document body, though heavily obfuscated, contains text related to 'Peter pan syndrome book pdf', suggesting a lure to download content. The presence of these elements indicates an attempt to redirect users to malicious infrastructure, likely for further exploitation or phishing.

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/pify?keyword=peter+pan+syndrome+book+pdf
    • http://files.create218.org/uploads/1/3/2/6/132695325/fovoganokozoweb-rokunonosam-pedegufod-xozasotuna.pdf
    • http://files.brianbaginski.com/uploads/1/3/2/7/132712000/4245913.pdf
    • http://files.psychologyexpert.org/uploads/1/3/1/4/131437276/nusufozebage.pdf
    • https://cdn.shopify.com/s/files/1/0430/8510/3255/files/94336895800.pdf
    • https://cdn.shopify.com/s/files/1/0432/6375/4408/files/jasexudumukobutikugevu.pdf
    • https://cdn.shopify.com/s/files/1/0431/1734/6965/files/balukajexowow.pdf
    • https://cdn.shopify.com/s/files/1/0432/0159/3505/files/33373068460.pdf
    • https://cdn.shopify.com/s/files/1/0436/1152/1187/files/27731543101.pdf
    • https://cdn.shopify.com/s/files/1/0436/9602/9864/files/87540881656.pdf
    • https://cdn.shopify.com/s/files/1/0430/4191/5042/files/89941809453.pdf
    • https://cdn.shopify.com/s/files/1/0431/3668/0098/files/pumipebilapipanus.pdf
    • https://cdn.shopify.com/s/files/1/0433/6317/2502/files/zaburelofobikodutinatudap.pdf
    • https://cdn.shopify.com/s/files/1/0433/0058/5625/files/rarawi.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://cdn.shopify.com/s/files/1/0436/1152/1187/fil

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a6c8.bin
6d7277f2c9239862900b80b5be418cc0b6e1d11f3b41951105724053796de8de		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA6C8 5200 bytes
font_01_sfnt_off0000b857.bin
d6df0882bc6749496340cc1aa12dba01095516ae7db1e93361df0bd97223181d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB857 10368 bytes

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