Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d937b09e18239cb…

MALICIOUS

PDF

442.1 KB Created: 2020-08-07 04:30:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 67c0af1d5ac4ebff8340889537e7624f SHA-1: 95e3edf509cfa9b41650b26c0e4501fdced5a139 SHA-256: 4d937b09e18239cb57947664d13d47f1e3dc55de166dd5e75afed813e20eb9b9
68 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL, https://ttraff.ru/pify?keyword=bc+fire+code+2020+pdf, is likely the initial stage of a phishing or malware delivery chain. The document body, though heavily obfuscated, contains text fragments that suggest an urgency lure, reinforcing the malicious intent.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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=bc+fire+code+2020+pdf
    • http://nametafub.halepili.com/uploads/1/3/1/1/131164250/mosojazub.pdf
    • http://gemamewu.celerahhewes.com/uploads/1/3/1/6/131637309/7f56a.pdf
    • http://files.crowandcrown.ca/uploads/1/3/1/4/131406629/fuzajonoxever.pdf
    • http://kenixa.utilitystrikeavoidancegroup.org/uploads/1/3/2/6/132681947/7b099c.pdf
    • https://cdn.shopify.com/s/files/1/0427/7354/5116/files/xebaxawivekitabus.pdf
    • https://cdn.shopify.com/s/files/1/0431/6636/7895/files/3._5_character_sheet.pdf
    • https://cdn.shopify.com/s/files/1/0431/7678/8117/files/1593580425.pdf
    • https://cdn.shopify.com/s/files/1/0433/7369/1045/files/54749165097.pdf
    • https://cdn.shopify.com/s/files/1/0429/6923/5619/files/47082808670.pdf
    • https://cdn.shopify.com/s/files/1/0437/8276/6743/files/vedic_astrology_books_in_telugu_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0428/9105/1161/files/6946151365.pdf
    • https://cdn.shopify.com/s/files/1/0433/8371/8042/files/goxorulubodemitozozit.pdf
    • https://cdn.shopify.com/s/files/1/0434/6819/3952/files/fallout_4_tag_for_search.pdf
    • https://cdn.shopify.com/s/files/1/0439/9710/2238/files/bnp_cardiologia.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_off00069e4f.bin
89959642b7af1c1d88243dc2fda3b5254dd12fab8f01dade44648beb15a8004f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69E4F 5052 bytes
font_01_sfnt_off0006af98.bin
bee187f0b4a5b4125f47d38b2265c150e695a86ef453f48a3a6ee0f8824d93a6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AF98 12780 bytes

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