Malicious PDF — malware analysis report

Static analysis result for SHA-256 fadde5b57eed8115…

MALICIOUS

PDF

44.5 KB Created: 2020-08-14 19:00:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7ff0b78a5c8a765c6f52b6a5886ab35f SHA-1: a106a56c03ed826b12e9f4f4d0ff34e20ea9bf3a SHA-256: fadde5b57eed8115ad13fc869510e62cbb60ed77ac2ea1421d773baeeb17175b
168 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a malicious redirector link and a large number of external PDF links, suggesting a link farm or redirection strategy. The presence of an MFA lure and a call-to-action button indicates a phishing attempt. The primary malicious URL is https://ttraff.com/pify?keyword=whatsapp+gb+transparent+anti+ban, which is likely used to redirect the user to a credential harvesting page.

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.
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=whatsapp+gb+transparent+anti+ban
    • http://files.cultivatingthegardenfma.com/uploads/1/3/0/7/130738771/podutijeludejeg-fubolavoruxuwes-ranil-fewetavedimoji.pdf
    • http://dunozob.daughtersofcharityunngo.com/uploads/1/3/1/6/131637419/5031205.pdf
    • https://cdn.shopify.com/s/files/1/0434/9168/8610/files/fibepukurivibaxufuxe.pdf
    • https://cdn.shopify.com/s/files/1/0434/5279/2982/files/ccna_200_125_book.pdf
    • https://cdn.shopify.com/s/files/1/0428/5402/3327/files/69899884254.pdf
    • https://cdn.shopify.com/s/files/1/0431/8078/5823/files/estimating_for_building_civil_engineering_work.pdf
    • https://cdn.shopify.com/s/files/1/0436/0683/5358/files/blessed_assurance_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0436/8711/6965/files/43964988112.pdf
    • https://cdn.shopify.com/s/files/1/0430/7035/7661/files/61392433591.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_off00007088.bin
9192c60e604dbf02034502b4a82657e997d944362eccbc5ae6024703616d0c77		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7088 5200 bytes
font_01_sfnt_off00008242.bin
541462d3715c1d326f1f0f0b63565476960056b38cf99eac5cb72bd852e41503		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8242 10236 bytes

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