Malicious PDF — malware analysis report

Static analysis result for SHA-256 5602e62ba5759121…

MALICIOUS

PDF

47.7 KB Created: 2020-08-10 17:52:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 44f7f0814058efc23a95b2152d9ab565 SHA-1: 267b611509c798a13879291d1519ef62ac60ca2d SHA-256: 5602e62ba57591213c7b06cebd8950e684ac263f44e61c4b66096ad13be7bfcb
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous links, including one pointing to a known malicious redirector at 'https://ttraff.com/pify?keyword=geosphere+and+biosphere+pdf'. This indicates a likely attempt to redirect users to malicious content, possibly for phishing or malware distribution. The presence of a large number of external PDF links also suggests a link farm or SEO manipulation tactic to increase visibility. No scripts were extracted from this sample.

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/pify?keyword=geosphere+and+biosphere+pdf
    • http://files.topshotacademy.us/uploads/1/3/1/4/131438056/sezusuxokodapamexuwa.pdf
    • http://files.conniemorey.com/uploads/1/3/2/6/132695343/dunetaxono_jadonoz.pdf
    • http://files.pondviewmanor.net/uploads/1/3/2/6/132681851/zozowupixefemisi.pdf
    • http://xisozofe.lachicanalaundrypictures.com/uploads/1/3/0/7/130775818/pobadakine_dawik_dolug_giradujerof.pdf
    • http://laxevolix.kellerbassteam.com/uploads/1/3/2/6/132682883/jilufutepuk_rubitibus_fexanup_rovukekuxedam.pdf
    • https://cdn.shopify.com/s/files/1/0431/8114/6280/files/93149567621.pdf
    • https://cdn.shopify.com/s/files/1/0438/9496/4392/files/bodyboss_fitness_guide_free.pdf
    • https://cdn.shopify.com/s/files/1/0430/7743/5556/files/15549376670.pdf
    • https://cdn.shopify.com/s/files/1/0427/8370/3206/files/vadiz.pdf
    • https://cdn.shopify.com/s/files/1/0435/4090/6135/files/pusosuwumux.pdf
    • https://cdn.shopify.com/s/files/1/0439/0486/0328/files/33206378454.pdf
    • https://cdn.shopify.com/s/files/1/0436/9419/4843/files/47622627059.pdf
    • https://cdn.shopify.com/s/files/1/0431/5919/1712/files/jifokebuvoriri.pdf
    • https://cdn.shopify.com/s/files/1/0440/5598/6326/files/msc_agronomy_notes.pdf
    • https://cdn.shopify.com/s/files/1/0430/0092/2261/files/66151902640.pdf
    • https://cdn.shopify.com/s/files/1/0429/5720/9766/files/xaguxitidavozorud.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_off00007bec.bin
2e04542472abf3827378b35e8e2a42e2945b28ecb511abdef3504473b53b9e3c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7BEC 5268 bytes
font_01_sfnt_off00008dca.bin
de8d28268567239b8600e13b49ffef1dff4d5067271c7b7cd6c00e8dd873140c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8DCA 10552 bytes

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