Malicious PDF — malware analysis report

Static analysis result for SHA-256 ade0574228ee867f…

MALICIOUS

PDF

39.7 KB Created: 2020-09-16 00:53:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3807152ad8d9ef57572c4fcaebf02ef7 SHA-1: c22d3800d64f082353ac0ab43b2a61ffc049354b SHA-256: ade0574228ee867f49823f8b8bf6b3fc48c2b95b8c2bdda4ebdc0bdc90a077ce
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to suspicious domains and are likely part of a link farm designed to redirect users to malicious content. One critical heuristic specifically identified a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'Hanuman dandakam telugu songs' and references the PDF generation tool, suggesting a lure to disguise the malicious intent of the embedded links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9919

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.
  • 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.
  • 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.cc/wb?keyword=hanuman%20dandakam%20telugu%20songs
    • http://files.amaneceryachtcharterscozumel.com/uploads/1/3/2/6/132683367/rizikozeriw-severabajim-kimoludosode.pdf
    • http://files.lilyteng.com/uploads/1/3/0/7/130739043/foxifaritu-fugupepej.pdf
    • http://files.americanfoursquare.us/uploads/1/3/2/7/132740218/majibomavapakabopi.pdf
    • http://fatusi.larrondolab.com/uploads/1/3/1/0/131070493/tawigijapekud.pdf
    • http://files.prindivillemohergallery.com/uploads/1/3/2/6/132695620/3506501.pdf
    • https://cdn.shopify.com/s/files/1/0428/6880/1695/files/lojodiluvujugu.pdf
    • https://cdn.shopify.com/s/files/1/0434/2562/8316/files/pancake_bot_discord.pdf
    • https://cdn.shopify.com/s/files/1/0435/2396/5080/files/mirufefujekigexob.pdf
    • https://cdn.shopify.com/s/files/1/0429/6700/7386/files/madimokux.pdf
    • https://static.usrfiles.com/ugd/b8c837_947eab0c829a4592a34ce21e14ef09e8.pdf
    • https://static.usrfiles.com/ugd/b8c837_30290e9debd64c1a95749564356234f7.pdf
    • https://static.usrfiles.com/ugd/f63f29_52d42a65571d4eee9b00967ef7b4f289.pdf
    • https://static.usrfiles.com/ugd/b8c837_f2de29d2d2bc466c9e636446c77df15b.pdf
    • https://static.usrfiles.com/ugd/f0b6b3_e2d40c26b72344aa8c5351013c98f2cb.pdf
    • https://cdn.shopify.com/s/files/1/0433/3849/8198/files/kixujezenezapebelesojego.pdf
    • https://cdn.shopify.com/s/files/1/0441/2764/9944/files/jidamozapatimukopevorumi.pdf
    • https://cdn.shopify.com/s/files/1/0438/4007/7981/files/formel_1_boxenstopp_zeitlupe.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006370.bin
c401068d9900e7dd952f03c31782a6aaa438a76fae5465df8a90f684ef2c5afd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6370 5072 bytes
font_01_sfnt_off000074a2.bin
c4850ab802566d299c9566038f19a1cfb8fc803acebf18a2882f7816eaf45ae0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x74A2 11996 bytes

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