Malicious PDF — malware analysis report

Static analysis result for SHA-256 982a26e3c120b276…

MALICIOUS

PDF

45.4 KB Created: 2020-08-08 21:14:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 548936d84bf6c00f3b4e0b3c46b01c80 SHA-1: ab771471ab4b271b854dadd209527c402e58f667 SHA-256: 982a26e3c120b276c9634c98b678d19d9446a01c4136ec7b8953b936118b1caa
180 Risk Score

Malware Insights

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

The PDF file contains multiple heuristics indicating malicious intent, including a critical finding of a malicious redirector link and a PDF link farm. The document body, though heavily obfuscated, contains text related to a 'bank of baroda credit card application form pdf' and embeds a URL that redirects to a malicious domain. This suggests a phishing or credential harvesting attempt, potentially leveraging a lure related to financial applications. The presence of a link farm further supports the malicious nature by attempting to distribute malicious content across multiple benign-looking domains.

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
  • 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
  • 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=bank+of+baroda+credit+card+application+form+pdf
    • http://files.fellowshipmsc.com/uploads/1/3/0/8/130873718/08b0dc4461757.pdf
    • http://files.triowestboro.com/uploads/1/3/0/7/130776168/mimepabavalobuz.pdf
    • http://files.cwamyouthleague.org/uploads/1/3/0/8/130873902/9dc81a65e73.pdf
    • https://cdn.shopify.com/s/files/1/0431/5709/4559/files/alternity_core.pdf
    • https://cdn.shopify.com/s/files/1/0435/5152/2977/files/47146923611.pdf
    • https://cdn.shopify.com/s/files/1/0428/2833/3219/files/lowes_lufkin_tx.pdf
    • https://cdn.shopify.com/s/files/1/0440/7223/9269/files/37960826384.pdf
    • https://cdn.shopify.com/s/files/1/0434/2661/1357/files/77910576627.pdf
    • https://cdn.shopify.com/s/files/1/0436/9770/1032/files/gozodotenodujelapiwivitu.pdf
    • https://cdn.shopify.com/s/files/1/0435/1311/8872/files/r_density_plot.pdf
    • https://cdn.shopify.com/s/files/1/0439/4621/3544/files/quoc_ca_vnch.pdf
    • https://cdn.shopify.com/s/files/1/0428/0690/2950/files/38448986069.pdf
    • https://cdn.shopify.com/s/files/1/0437/5507/7781/files/encyclopdie_plantes_mdicinales.pdf
    • https://cdn.shopify.com/s/files/1/0429/0999/1075/files/97917278855.pdf
    • https://cdn.shopify.com/s/files/1/0440/8901/6472/files/dowikavinegidofa.pdf
    • https://cdn.shopify.com/s/files/1/0430/2068/1377/files/15474300949.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_off0000729e.bin
de96c02b51083053b77f04022e5a64f70a33f131318eb9912817503b61aabdeb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x729E 5376 bytes
font_01_sfnt_off000084d8.bin
0949d4f54918d38cef1cbfe48cd0c4233d2b84652800421b2cf64c342e50caca		 pdf-font-stream PDF embedded font (sfnt) at offset 0x84D8 10312 bytes

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