PDF malware analysis — malicious · 4f7bb6b1a8efc426

MALICIOUS

PDF

45.7 KB Created: 2020-08-23 22:50:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 7c4d57bcf5107e01cdf213f9840f9af1 SHA-1: 0d74cc1cdc32b846b1bdf3d0fc62d481290ffb72 SHA-256: 4f7bb6b1a8efc426c1270b74f0896115fa52713d0c78289f084e80babb984a2b

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a high number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The presence of a 'LOLBin run command' heuristic suggests that the document may contain instructions or embedded scripts designed to execute commands on the user's system. The primary malicious URL is ttraff.com, which is likely used to funnel victims to a further malicious destination. The document body itself is largely obfuscated but contains the malicious URL.

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.
Visible LOLBin command execution instruction high SE_LOLBIN_RUN_COMMAND

Document contains instructions or visible command text involving Windows script/execution tools such as PowerShell, mshta, cmd, rundll32, or regsvr32
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=axa+par+fund+performance
- http://files.kenziemorganphotography.com/uploads/1/3/1/4/131452838/noxuporaduzuwoga.pdf
- http://vupiv.foxfieldrecoverymission.org/uploads/1/3/2/3/132302868/kanipuwubug.pdf
- http://files.fivelakessilverband.com/uploads/1/3/0/7/130740551/8a05d.pdf
- http://files.glowgetternation.com/uploads/1/3/2/6/132696063/8860118.pdf
- https://cdn.shopify.com/s/files/1/0433/2745/5387/files/mgs_university_bikaner_online_exam_form.pdf
- https://cdn.shopify.com/s/files/1/0436/5726/5305/files/76045733295.pdf
- https://cdn.shopify.com/s/files/1/0432/7977/7945/files/20594437623.pdf
- https://cdn.shopify.com/s/files/1/0432/1103/0683/files/grim_stroke_hero_guide.pdf
- https://cdn.shopify.com/s/files/1/0429/1415/2607/files/tatufoborojupaxemak.pdf
- https://cdn.shopify.com/s/files/1/0428/9875/1641/files/report_card_comments_for_kindergarten_science.pdf
- https://cdn.shopify.com/s/files/1/0436/7079/8489/files/bawaj.pdf
- https://cdn.shopify.com/s/files/1/0428/3141/3414/files/67122027255.pdf
- https://cdn.shopify.com/s/files/1/0439/4595/1400/files/time_value_of_money_questions_and_answers.pdf
- https://cdn.shopify.com/s/files/1/0428/1715/9335/files/zimexoxemopesu.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00006767.bin` `4914b0bcbd5d1f9771a41e2ae8123c2d8238688f811a8252c42e536ac6e98097`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6767	5148 bytes
`font_01_sfnt_off000078d7.bin` `369fef0437b570b359886c057bc368e0b3634c5abbda5b988a8f3450b7813f18`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x78D7	15936 bytes

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