Malicious PDF — malware analysis report

Static analysis result for SHA-256 25dd5c415d6f320b…

MALICIOUS

PDF

39.4 KB Created: 2020-08-19 21:02:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d94402913a6d400f88970f9915afc021 SHA-1: d282f606d4001dab8c190c17ade6c4b7944db5b1 SHA-256: 25dd5c415d6f320b12782c36916d88e962f372986d9f6f23dbdfaf3fe0a85c04
128 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as a download for "Canon eos utility 2. 14". The link points to ttraff.com, which is flagged as malicious. Additionally, the PDF exhibits characteristics of a link farm, embedding numerous external links, some of which are benign but others are unknown. The presence of a visual download button lure further supports the malicious intent.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=canon+eos+utility+2.+14
    • http://files.greatestcommercialtruckinsurance.com/uploads/1/3/0/7/130739713/ed19404b104.pdf
    • https://cdn.shopify.com/s/files/1/0432/9429/4171/files/the_business_goals_vision_mission_objectives_and_performance_targets.pdf
    • https://cdn.shopify.com/s/files/1/0432/6958/7104/files/libro_expedicion_botanica.pdf
    • https://cdn.shopify.com/s/files/1/0428/6437/8022/files/52500685176.pdf
    • https://cdn.shopify.com/s/files/1/0432/4907/4336/files/jitafabun.pdf
    • https://cdn.shopify.com/s/files/1/0432/6309/9040/files/doporetazogoxojuruk.pdf
    • https://cdn.shopify.com/s/files/1/0430/6065/8333/files/94997438349.pdf
    • https://cdn.shopify.com/s/files/1/0447/7953/6533/files/17058344819.pdf
    • https://cdn.shopify.com/s/files/1/0436/4887/6697/files/xovixil.pdf
    • https://cdn.shopify.com/s/files/1/0432/3701/5719/files/sotipakopobe.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_off00005eb4.bin
c2d4d9ae7667e1fd8fac7cf0dc6771e6d46d6d8234394dfc24d5c6cbd3985c45		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EB4 4892 bytes
font_01_sfnt_off00006f82.bin
b7281c6773c83378de995631b1d42a1570af57f9d5f6bed6add383dd10d454b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F82 10040 bytes

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