Malicious PDF — malware analysis report

Static analysis result for SHA-256 d5053432db1d6215…

MALICIOUS

PDF

37.7 KB Created: 2020-08-03 10:54:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 29484e72cec74ac7a93ac1d873b9e012 SHA-1: 0e3b87bd0e5ec943ad5f9697c794b74680721533 SHA-256: d5053432db1d6215481984aeaa5767d190efab67a37a13986d86d4adfee0499a
154 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a redirector service (ttraff.cc) that is flagged as malicious. The document body text and embedded links suggest a lure related to 'Joyce Meyer YouTube Battlefield of the Mind', likely intended to drive traffic to malicious or spam content. The presence of a malicious redirector link and a link farm heuristic indicates a strong intent to redirect users to harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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.cc/pify?keyword=joyce+meyer+youtube+battlefield+of+the+mind
    • http://files.momentumsportpsych.com/uploads/1/3/1/1/131164063/6560031.pdf
    • http://files.artinamericamusic.com/uploads/1/3/0/8/130815093/vujuz.pdf
    • http://files.thejoshdunneorganization.org/uploads/1/3/1/6/131637047/ganugudabeje.pdf
    • https://cdn.shopify.com/s/files/1/0432/8236/6629/files/mujamikekoroxowidovusapo.pdf
    • https://cdn.shopify.com/s/files/1/0434/1304/5398/files/fire_emblem_sacred_stones_gba_rom.pdf
    • https://cdn.shopify.com/s/files/1/0435/9038/5823/files/karofuraxuru.pdf
    • https://cdn.shopify.com/s/files/1/0435/2825/7685/files/10283214648.pdf
    • https://cdn.shopify.com/s/files/1/0438/7579/5099/files/68991174072.pdf
    • https://cdn.shopify.com/s/files/1/0440/2606/9157/files/wodoruxesipo.pdf
    • https://cdn.shopify.com/s/files/1/0432/8177/6795/files/13060706441.pdf
    • https://cdn.shopify.com/s/files/1/0438/9430/9019/files/verizon_smart_rewards_auctions.pdf
    • https://cdn.shopify.com/s/files/1/0433/9823/4270/files/tomor.pdf
    • https://cdn.shopify.com/s/files/1/0433/7254/4150/files/26061661724.pdf
    • https://cdn.shopify.com/s/files/1/0431/2501/4684/files/gukasiwozu.pdf
    • https://cdn.shopify.com/s/files/1/0435/6141/8913/files/juvodepepoxotufapoxabi.pdf
    • https://cdn.shopify.com/s/files/1/0429/6930/1151/files/nogonibevu.pdf
    • https://cdn.shopify.com/s/files/1/0446/1009/3219/files/update_advanced_combat_tracker.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_off00005682.bin
767b753c62be12b7c1b410fc086bc9e9d77614f5f2ff3c792c57dc944a9f87e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5682 5316 bytes
font_01_sfnt_off00006871.bin
380a15157636038c2c049d080090ca62a7b80d3ac79970d2c64f4941fd3e01c9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6871 9700 bytes

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