Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2d9957b7f27a8ec…

MALICIOUS

PDF

35.5 KB Created: 2020-09-07 17:18:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4eb9982d26ebef06ae85ed584a76d292 SHA-1: e4475128223923a06143375698aad92fd2dbca19 SHA-256: a2d9957b7f27a8ec57eaee4747ddd2770a39d4d5aaa6884fade9547ee78a4b64
120 Risk Score

Malware Insights

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

The PDF contains a link farm with 28 external links, many pointing to benign content, but one critical link redirects to malicious infrastructure at `ttraff.club`. The document body, though heavily obfuscated, contains the malicious URL. This suggests the PDF is designed to trick users into downloading potentially unwanted or malicious software by disguising it as a useful utility.

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.club/wix?keyword=battery+life+repair+pro+apk+free
    • https://static.usrfiles.com/ugd/764aaa_1c2f252d218e4e79b14491e76cfccb2c.pdf
    • https://static.usrfiles.com/ugd/32777b_77134b92a7394176a93c902667491755.pdf
    • https://static.usrfiles.com/ugd/f64db8_918daf1e21c049d893e62d8c4bfe1b5c.pdf
    • https://static.usrfiles.com/ugd/120f26_a4df2430ab914eb6893c0d67f72cbc04.pdf
    • https://static.usrfiles.com/ugd/8ac1ab_dd947ab1de2449958b45b20db3bee736.pdf
    • https://static.usrfiles.com/ugd/a43ec6_67db2080b1434dfd9e2ac8aaede9bd08.pdf
    • https://static.usrfiles.com/ugd/89363e_c28747fb85c04b37b98d0df41d72d31b.pdf
    • https://cdn.shopify.com/s/files/1/0436/9822/5320/files/55053947994.pdf
    • https://cdn.shopify.com/s/files/1/0428/7882/8700/files/gopro_hero_4_updates.pdf
    • https://cdn.shopify.com/s/files/1/0440/2076/0741/files/asos_reclaimed_vintage_size_guide.pdf
    • https://cdn.shopify.com/s/files/1/0433/4610/0374/files/21707256356.pdf
    • https://cdn.shopify.com/s/files/1/0431/3320/6690/files/ghost_crystal_stardew.pdf
    • https://static.usrfiles.com/ugd/18f527_dc7b3143e99f44128e4602c43b3b685e.pdf
    • https://static.usrfiles.com/ugd/4725f1_01b96dd5cc38410dab97eaa5b7eed475.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_off00004d35.bin
49e1772fdaaa2ddea3a653cda330402c6de9a7baac8a16ddd15f79f11adf0b95		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4D35 4932 bytes
font_01_sfnt_off00005e1f.bin
0a8141bfe826046149bb7d33a4e328f0a8b99a21a75a3155155a111b78c73037		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E1F 10256 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.