Malicious PDF — malware analysis report

Static analysis result for SHA-256 348117fb21d48cc0…

MALICIOUS

PDF

48.1 KB Created: 2020-08-21 12:59:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7dce637b4a588c954511f0ba29c4f9ac SHA-1: fcd05e175b331390cf16a16e7c2b7d226d82473d SHA-256: 348117fb21d48cc0962bb032fa8ce54917cd64438107bd0135ae31b70ce2802b
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one heuristic specifically identifying it as a PDF SEO link farm. The primary malicious URL, 'https://ttraff.cc/pify?keyword=pagalworld+english+songs+2017', is flagged as a known malicious redirector. The document body, though heavily obfuscated, contains references to this URL and other Shopify-hosted PDF files, suggesting a coordinated effort to distribute malicious content. The presence of numerous links points towards a strategy of overwhelming the user with choices, increasing the likelihood of a click on a malicious destination.

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/pify?keyword=pagalworld+english+songs+2017
    • http://files.wayjayjetwas.com/uploads/1/3/0/9/130969993/pesubati-bawovizowot-melomifenopal-befutunepurek.pdf
    • http://files.landslidetechnology.com/uploads/1/3/1/4/131409090/f8b019a.pdf
    • http://kenuj.lchhomecareagency.com/uploads/1/3/2/6/132695675/69bf394e.pdf
    • http://files.ambitiongogetit.com/uploads/1/3/0/7/130739452/889400.pdf
    • https://cdn.shopify.com/s/files/1/0430/8451/3429/files/10099297131.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vaxopegi.pdf
    • https://cdn.shopify.com/s/files/1/0441/3590/7480/files/ruzasemuzevixinuta.pdf
    • https://cdn.shopify.com/s/files/1/0429/6821/9799/files/lomaworovinadu.pdf
    • https://cdn.shopify.com/s/files/1/0430/5921/6533/files/kilometr_berounka.pdf
    • https://cdn.shopify.com/s/files/1/0433/8604/4570/files/wuxokeweso.pdf
    • https://cdn.shopify.com/s/files/1/0430/9748/9572/files/inside_reporting_3rd_edition.pdf
    • https://cdn.shopify.com/s/files/1/0431/1734/6965/files/loweka.pdf
    • https://cdn.shopify.com/s/files/1/0434/5469/3529/files/75724174573.pdf
    • https://cdn.shopify.com/s/files/1/0437/8787/8549/files/luviwojixopinepirasip.pdf
    • https://cdn.shopify.com/s/files/1/0434/1897/6414/files/ringkasan_belanjawan_2020.pdf
    • https://cdn.shopify.com/s/files/1/0433/0032/3478/files/catatonic_schizophrenia.pdf
    • https://cdn.shopify.com/s/files/1/0430/6285/3794/files/74804935207.pdf
    • https://cdn.shopify.com/s/files/1/0439/0099/3704/files/alice_in_wonderland_original_book.pdf
    • https://cdn.shopify.com/s/files/1/0434/6439/2866/files/bifokuropiregomisejim.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_off000067f9.bin
97df1f6844dcb541cdca7c7f08e6e0c887ff0c080a6e117184089f4f3ca0770a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67F9 5588 bytes
font_01_sfnt_off00007b03.bin
46c3f949941b5aa02bc94f985b4fad2d0b64cae367dce29cbbb81b622325f0a3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B03 10216 bytes
font_02_sfnt_off00009deb.bin
fce21d86c2b5faa43a5619d6c859002d414ef8720c10ef6ba746f045f1b0bfa7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9DEB 16076 bytes

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