Malicious PDF — malware analysis report

Static analysis result for SHA-256 fb207e20c6eb06bb…

MALICIOUS

PDF

297.5 KB Created: 2020-08-02 05:17:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2858b6448c917728e8ba167bc95c1219 SHA-1: 1271027e0d04c0839b8c35dec2d49cf1364e65ef SHA-256: fb207e20c6eb06bb5a025d81c0e85506b167f8628aca24d0f7eee91735eed9da
170 Risk Score

Malware Insights

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

The PDF file contains a malicious redirector link disguised with a lure related to 'iOS 10.4 beta'. This suggests an attempt to trick the user into clicking the link, which is a common tactic for phishing or malware distribution. The presence of heuristics indicating a password-protected archive lure and a payment redirection lure further supports a malicious intent, likely aimed at financial fraud or credential theft.

Heuristics 6

  • 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
    Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns
  • 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.ru/pify?keyword=ios+10.+4+beta
    • http://files.wectp.org/uploads/1/3/0/7/130775707/zufomif.pdf
    • http://files.estherkaplin.com/uploads/1/3/2/3/132302759/3696764.pdf
    • http://files.repconw.com/uploads/1/3/1/4/131408209/cd9c6e.pdf
    • http://files.welcometoodf.org/uploads/1/3/1/4/131453194/6132482581276c.pdf
    • http://files.opengatetheatre.com/uploads/1/3/2/8/132814980/3754155.pdf
    • https://cdn.shopify.com/s/files/1/0435/2396/5080/files/1223863389.pdf
    • https://cdn.shopify.com/s/files/1/0430/9860/3669/files/krita_animation_tutorial.pdf
    • https://cdn.shopify.com/s/files/1/0434/7019/2802/files/1221743417.pdf
    • https://cdn.shopify.com/s/files/1/0434/5020/4327/files/kijixuxudazixir.pdf
    • https://cdn.shopify.com/s/files/1/0433/9567/8359/files/bee_house_stardew.pdf
    • https://cdn.shopify.com/s/files/1/0427/3097/9495/files/81094591632.pdf
    • https://cdn.shopify.com/s/files/1/0429/7680/5013/files/31316650904.pdf
    • https://cdn.shopify.com/s/files/1/0434/3214/9148/files/26893388674.pdf
    • https://cdn.shopify.com/s/files/1/0434/0498/4483/files/82908613024.pdf
    • https://cdn.shopify.com/s/files/1/0428/4622/4551/files/venedopeg.pdf
    • https://cdn.shopify.com/s/files/1/0435/5109/6991/files/35133941431.pdf
    • https://cdn.shopify.com/s/files/1/0429/8794/6133/files/58747871189.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00044046.bin
5ca10d2acaebc3f3b63e5cf57be35fa8931533f6829b959059dc6403b9fb67eb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x44046 4940 bytes
font_01_sfnt_off00045131.bin
9a5ee8cc744b5a9bd926ebf778fede6ae2957f605b79ac21dba974abea4fed74		 pdf-font-stream PDF embedded font (sfnt) at offset 0x45131 15828 bytes
font_02_sfnt_off00048263.bin
2def80ee9cf871b89fa1821d83521187f92649b88f41053709a5a2c79b3e7c85		 pdf-font-stream PDF embedded font (sfnt) at offset 0x48263 16132 bytes

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