Malicious PDF — malware analysis report

Static analysis result for SHA-256 396b303ee616085b…

MALICIOUS

PDF

35.3 KB Created: 2020-09-19 10:38:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 84608493df02760daa9d7a491a27bc79 SHA-1: 62c38e0652f5d80232540c8b47a20fe580029ff5 SHA-256: 396b303ee616085bd617b74c87b2d39b827c8b4d75636d8dc9c5e0db37e37922
120 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, including one that redirects to a URL associated with malicious activity. The document body text, though partially corrupted, suggests a lure related to 'understanding business ethics peter stanwick pdf', which is likely a pretext to entice users to click the malicious link. The presence of a PDF link farm further indicates an attempt to distribute or redirect to malicious content.

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.link/wix?keyword=understanding+business+ethics+peter+stanwick+pdf
    • http://ramot.janetahrens.org/uploads/1/3/2/6/132682790/penozezawexilafe.pdf
    • http://files.heuercadostudios.com/uploads/1/3/0/7/130738801/kaxigozowisesenuzi.pdf
    • http://dovujezin.safe-t-systems.net/uploads/1/3/0/9/130969663/d6d457db6f7b1.pdf
    • https://cdn.shopify.com/s/files/1/0433/0923/6374/files/rininijagunel.pdf
    • https://cdn.shopify.com/s/files/1/0429/4436/4710/files/2937701808.pdf
    • https://cdn.shopify.com/s/files/1/0430/3136/3747/files/zutepidubinorom.pdf
    • https://cdn.shopify.com/s/files/1/0429/9148/5091/files/barefoot_investor_blueprint_performance.pdf
    • https://cdn.shopify.com/s/files/1/0435/8235/7663/files/87044326450.pdf
    • https://cdn.shopify.com/s/files/1/0433/7867/1779/files/36197873785.pdf
    • https://cdn.shopify.com/s/files/1/0461/3744/2457/files/autobiography_of_a_yogi_archive.pdf
    • https://cdn.shopify.com/s/files/1/0431/7049/6661/files/nanowakoxobizawemigi.pdf
    • https://cdn.shopify.com/s/files/1/0437/6484/2647/files/rirejesinawif.pdf
    • https://cdn.shopify.com/s/files/1/0431/6109/2250/files/jbl_charge_3_service_manual.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_off00004c8e.bin
2f5c9ecb2ea220df53259b7c3992f9458934da5216df8b02848fcf84f4f72e06		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4C8E 5672 bytes
font_01_sfnt_off00005fe7.bin
c139a257808d9abe565407b2c3ec7b0e85959b47ae86b5ab4909c1c1f076baf7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FE7 9484 bytes

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