Malicious PDF — malware analysis report

Static analysis result for SHA-256 f57c285518a8b4cc…

MALICIOUS

PDF

48.6 KB Created: 2020-08-24 03:28:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6a129cb9054a0564ecfc5534e026c35f SHA-1: 37744bbcef30a5e0108e898710a77fc0ba376414 SHA-256: f57c285518a8b4cc6b4c18dc07465ce83e5407f094dc69b9f9e4e65271a6ab25
120 Risk Score

Malware Insights

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

The PDF document contains a link farm designed to appear as a legitimate report, specifically mentioning 'employee attendance system project report pdf'. The primary malicious link, https://ttraff.ru/pify?keyword=employee+attendance+system+project+report+pdf, is identified as a redirector to malicious infrastructure. The document's structure and embedded links suggest a social engineering tactic to drive traffic to potentially harmful sites, likely for further exploitation or phishing.

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=employee+attendance+system+project+report+pdf
    • http://files.tablewinemerchant.com/uploads/1/3/0/7/130775647/givotezikenet.pdf
    • https://cdn.shopify.com/s/files/1/0431/1603/6249/files/13796248800.pdf
    • https://cdn.shopify.com/s/files/1/0433/3305/8715/files/lapipobopenazagididaja.pdf
    • https://cdn.shopify.com/s/files/1/0438/6209/8085/files/lanojagorumivanison.pdf
    • https://cdn.shopify.com/s/files/1/0434/4997/4946/files/academic_study_skills.pdf
    • https://cdn.shopify.com/s/files/1/0437/0015/8629/files/bodijenebotaselug.pdf
    • https://cdn.shopify.com/s/files/1/0437/1995/0485/files/abertura_de_conta_caixa_apk.pdf
    • https://cdn.shopify.com/s/files/1/0435/9097/5647/files/historia_del_alcoholismo_en_mexico.pdf
    • https://cdn.shopify.com/s/files/1/0439/1705/0008/files/english_story_with.pdf
    • https://cdn.shopify.com/s/files/1/0439/0073/1547/files/best_chess_games_for_android_free.pdf
    • https://cdn.shopify.com/s/files/1/0435/8602/7677/files/80575902808.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007666.bin
4aba2bb845853324476be69e5ed1bf4ff35002942389efac2b843cac1129f0e9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7666 2828 bytes
font_01_sfnt_off00008061.bin
71b6f694d78ad872020c2d3cf8b9d427beecd44a01600b16ce141a14b383ecd9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8061 5436 bytes
font_02_sfnt_off000092d3.bin
e670aab5b468cecb04d7a648745dff234c8303a3d7782345580ae9bd8e925df1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x92D3 10088 bytes

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