Malicious PDF — malware analysis report

Static analysis result for SHA-256 69f7e2de9c3c2012…

MALICIOUS

PDF

47.6 KB Created: 2020-08-10 12:17:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5b0b90156ebab0d8b38dcb6058d2e5a5 SHA-1: b0aa896b85bb620c70f9b236e045dbc7417929e4 SHA-256: 69f7e2de9c3c2012b54e49a6de86096466da2f8e875a86feb5323b8e107b510e
154 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=bloodborne+walkthrough+pdf', suggesting a lure to trick users into clicking a malicious link. The presence of numerous other PDF links, many pointing to Shopify domains, indicates a potential link farm or SEO manipulation tactic to distribute malicious content.

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.com/pify?keyword=bloodborne+walkthrough+pdf
    • http://files.libercloud.com/uploads/1/3/1/4/131437834/6079234.pdf
    • http://files.coralgardenonline.com/uploads/1/3/0/7/130775129/ratubi.pdf
    • http://files.escapeworks-ov.com/uploads/1/3/0/8/130874246/jodobakajatomi.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0451/2422/3141/files/jupawujovakujib.pdf
    • https://cdn.shopify.com/s/files/1/0435/5656/9249/files/35760568185.pdf
    • https://cdn.shopify.com/s/files/1/0433/2303/1720/files/differential_equations_4th_edition_blanchard_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/2117/1864/files/vofarovirapuwom.pdf
    • https://cdn.shopify.com/s/files/1/0437/2699/5621/files/candlelight_carol_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0434/5656/1319/files/44800652684.pdf
    • https://cdn.shopify.com/s/files/1/0433/9531/7911/files/94431650993.pdf
    • https://cdn.shopify.com/s/files/1/0434/4669/8146/files/25336764439.pdf
    • https://cdn.shopify.com/s/files/1/0431/0227/3703/files/darix.pdf
    • https://cdn.shopify.com/s/files/1/0429/5937/2439/files/abstract_nouns_worksheet_for_grade_3.pdf
    • https://cdn.shopify.com/s/files/1/0429/9299/2410/files/vrchat_dynamic_bone_settings.pdf
    • https://cdn.shopify.com/s/files/1/0433/7975/3121/files/wizesojoreriwazewovupulag.pdf
    • https://cdn.shopify.com/s/files/1/0433/5036/0232/files/52706375427.pdf
    • https://cdn.shopify.com/s/files/1/0436/4386/3198/files/watch_battleship_free.pdf
    • https://cdn.shopify.com/s/files/1/0431/1479/1069/files/kowufij.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007d0d.bin
1967dbc0f349450d8199ca13573e6a60d6e47d49f6e4af67301c4a1559326c0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D0D 5468 bytes
font_01_sfnt_off00008fb5.bin
fe9834881c26419323d01c9bcf6e4df09dd161f40d5b1b3c488347da8e531046		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8FB5 9920 bytes

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