Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e29aee456880a72…

MALICIOUS

PDF

57.7 KB Created: 2020-08-09 06:38:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ff656a9434b22c87d294bded81ba5f5a SHA-1: 0717b6edfdd8e236092c799cd1b17312b09a1b12 SHA-256: 0e29aee456880a7285696b0d8dea95e377e249065561f1fdf3998101f1d5399d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a critical heuristic indicating it links to known malicious redirector infrastructure, specifically `https://ttraff.ru/pify?keyword=liste+jeux+pandora+box+5s+pdf`. Additionally, the document body and heuristics suggest a lure involving a link farm, with many embedded URLs pointing to external PDFs. The presence of a clipboard command lure heuristic indicates the document may instruct the user to copy and paste content into a shell, further increasing the risk.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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.ru/pify?keyword=liste+jeux+pandora+box+5s+pdf
    • http://files.thepottershousesandiego.com/uploads/1/3/1/1/131164039/6542141.pdf
    • http://vilukam.benedictfriend.org/uploads/1/3/1/6/131606346/6465984.pdf
    • http://files.sarahwallbeckman.com/uploads/1/3/1/3/131381003/6eb60575e199c65.pdf
    • http://files.elephantade.org/uploads/1/3/0/7/130775156/4875388.pdf
    • http://bazam.mcgrathirishdancers.com/uploads/1/3/1/6/131637881/fowukelaxipuvexuli.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://cdn.shopify.com/s/files/1/0434/6337/7048/files/12737158611.pdf
    • https://cdn.shopify.com/s/files/1/0429/9656/4131/files/gemorumufuretovevemopexa.pdf
    • https://cdn.shopify.com/s/files/1/0438/3513/0018/files/mogunenas.pdf
    • https://cdn.shopify.com/s/files/1/0435/7881/8715/files/kimekafexes.pdf
    • https://cdn.shopify.com/s/files/1/0431/0971/2033/files/after_effects_cs5_pluggins.pdf
    • https://cdn.shopify.com/s/files/1/0438/4686/0960/files/case_study_research_design_and_methods_robert_k_yin.pdf
    • https://cdn.shopify.com/s/files/1/0434/1740/3559/files/55940235687.pdf
    • https://cdn.shopify.com/s/files/1/0431/1167/8114/files/67639787432.pdf
    • https://cdn.shopify.com/s/files/1/0437/1798/4405/files/femova.pdf
    • https://cdn.shopify.com/s/files/1/0431/5247/4267/files/sefex.pdf
    • https://cdn.shopify.com/s/files/1/0428/3518/1734/files/98576919477.pdf
    • https://cdn.shopify.com/s/files/1/0432/7450/2312/files/55177147806.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/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008a44.bin
a9f1c19b45f1f0ce7ba11a58bca68a971994472c5cab99edb334e73c8d2e7e5e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A44 5232 bytes
font_01_sfnt_off00009c1c.bin
919360902135b58f303979d7ec0fa9fecc72debe484201d9b85f6e961ccf9e9b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9C1C 15444 bytes
font_02_sfnt_off0000cbcb.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCBCB 4324 bytes

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