Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe10271b5967bfd6…

MALICIOUS

PDF

44.3 KB Created: 2020-08-10 11:36:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 567de8548d329542058e48cae359519b SHA-1: c5067cd7c3e39a0b5626d030ec53bad6d9003587 SHA-256: fe10271b5967bfd6ed0f84e4e6adefdb203325d4c99e4f996f6756d99c275126
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a mass of external links, including a critical redirector link to 'ttraff.ru'. This indicates a phishing or redirection attempt. The document body, though heavily obfuscated, contains the same malicious URL, reinforcing the redirection attack pattern. No scripts were extracted, limiting further analysis of payload delivery.

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.ru/pify?keyword=chamakam+pdf+telugu
    • http://files.albedooshrine.org/uploads/1/3/0/8/130873923/dubazipome.pdf
    • http://files.spiffynaturals.com/uploads/1/3/1/4/131437660/6901956.pdf
    • http://files.happyvalleycalisthenicsclub.com/uploads/1/3/0/7/130740217/9437864.pdf
    • http://files.kreativememoriesphoto.com/uploads/1/3/0/8/130873921/galadefuwurubo.pdf
    • http://diwames.soap-architects.com/uploads/1/3/2/6/132682787/vixizeginirud.pdf
    • https://cdn.shopify.com/s/files/1/0431/6977/5782/files/53781474643.pdf
    • https://cdn.shopify.com/s/files/1/0439/2094/9403/files/penuzeluvazewebigubebawi.pdf
    • https://cdn.shopify.com/s/files/1/0436/6044/3813/files/4742351965.pdf
    • https://cdn.shopify.com/s/files/1/0428/0025/1036/files/zekezo.pdf
    • https://cdn.shopify.com/s/files/1/0435/2484/9815/files/shakespearean_drama.pdf
    • https://cdn.shopify.com/s/files/1/0430/8392/3609/files/rufodozegoputenatute.pdf
    • https://cdn.shopify.com/s/files/1/0432/5824/9376/files/pilipodusegekoxutevibik.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dubisetebezurazoxodo.pdf
    • https://cdn.shopify.com/s/files/1/0428/7512/5919/files/41258538664.pdf
    • https://cdn.shopify.com/s/files/1/0432/8508/6374/files/instrument_cable_gland_size_chart.pdf
    • https://cdn.shopify.com/s/files/1/0429/5039/4019/files/70871777561.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_off000064f6.bin
73b02e2adee9ecfaec92996ac9f33a6fc3ad8fc7be1000e0a93d20702a27f4d2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64F6 5152 bytes
font_01_sfnt_off00007658.bin
70649f3ed78b6fd83516a3bca232e9c081d173b19bbff6a0134e76b92f3bcff0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7658 14980 bytes

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