Malicious PDF — malware analysis report

Static analysis result for SHA-256 29410c8d0766eea8…

MALICIOUS

PDF

55.7 KB Created: 2020-09-03 00:19:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a63bf31706eeea7104cdd0129f240c54 SHA-1: 66f99a90cf925356902cc12d98bd2e8324e3d68e SHA-256: 29410c8d0766eea8fcd34cf022c193c2076f6787895aea0fbaadc07d4e05fe63
128 Risk Score

Malware Insights

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

The PDF document contains a lure for a movie download, which is a common social engineering tactic. It embeds numerous links, with one specifically pointing to a known malicious redirector infrastructure. The presence of a visual download button further supports the deceptive nature of the document. No scripts were extracted, but the primary malicious activity appears to be the redirection to 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.
  • 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.link/wix?keyword=columbus+full+movie++480p
    • https://cdn.shopify.com/s/files/1/0433/8044/1238/files/batavenav.pdf
    • https://cdn.shopify.com/s/files/1/0427/9736/7452/files/20772778321.pdf
    • https://cdn.shopify.com/s/files/1/0431/5126/1853/files/voxebatuleteni.pdf
    • https://cdn.shopify.com/s/files/1/0434/5207/2086/files/dragon_s_dogma_dark_arisen_switch_guide.pdf
    • https://cdn.shopify.com/s/files/1/0432/1237/4174/files/46705063373.pdf
    • https://static.usrfiles.com/ugd/0cd3a8_fe9e70e6fb214fc3a66152fe6c8be4d0.pdf
    • https://cdn.shopify.com/s/files/1/0433/5586/5243/files/fidodejimimuf.pdf
    • https://cdn.shopify.com/s/files/1/0431/9199/2480/files/vehicle_sale_agreement_format_in_english.pdf
    • https://static.usrfiles.com/ugd/b8c837_b07d3eac391948c796f90ed31232e411.pdf
    • https://static.usrfiles.com/ugd/90c678_823ca04fa09948b7a6e9a8627f9fe0f9.pdf
    • https://static.usrfiles.com/ugd/a64c8c_d04beaa5d899438a876e05dda6e203d2.pdf
    • https://static.usrfiles.com/ugd/764aaa_a8fa25fb68d3403f8668bcfd028cc421.pdf
    • https://static.usrfiles.com/ugd/d01287_d08e46fb79344c38b9f48fca0fb680aa.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 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004f40.bin
27b748ee931503da7bbd748c21e6b962001e2b36dc9ea055ea975387d771fc72		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4F40 3212 bytes
font_01_sfnt_off00005abf.bin
f476f53c6b60a72664eb4d90a8729b0270e22b5192f02ed7117df2727c63f9a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5ABF 5268 bytes
font_02_sfnt_off00006caa.bin
25d2fbfb5dd46bce752f1a10cbb8fe29a5ece10bd9e4a33cfa5ea6c363d8700b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CAA 20968 bytes
font_03_sfnt_off00008cdd.bin
fc56fa02dbe3458291c5fb7062dec2b01f2226dd21b4eff9ce88880a69c4a691		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8CDD 2276 bytes
font_04_sfnt_off000096a7.bin
93bfea5efd3c0cc56cf9b18d0ca66b63acbedf1de4182e5dbfc9733bf33e58a1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x96A7 15300 bytes
font_05_sfnt_off0000c5ed.bin
589f2a64e89766a8ae62896ea8444fa1a87810255c984bbc4fd2a260c4929d56		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC5ED 2056 bytes

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