Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1248091347afa66…

MALICIOUS

PDF

42.4 KB Created: 2020-08-22 14:57:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 467272b44a07937e31fd5c9a57f2d563 SHA-1: 95b13e7eadaa59917d4150e1a6d3ebab9827059f SHA-256: e1248091347afa6679b58f63b6477ccbfade4392d5183e88c0bd7528b2ac8361
120 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, with the primary redirector URL being ttraff.com. This indicates a likely SEO link farm attack pattern, designed to manipulate search engine results. While many linked PDFs are benign, the presence of a malicious redirector and the sheer volume of links suggest a malicious intent to drive traffic or manipulate search rankings. No scripts were extracted from this sample.

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.com/pify?keyword=science+8+density+calculations+worksheet+with+work
    • http://ziwipu.saunagoods.com/uploads/1/3/0/7/130738854/defekabanigusum.pdf
    • https://cdn.shopify.com/s/files/1/0431/5008/2202/files/popuboberawawuzapo.pdf
    • https://cdn.shopify.com/s/files/1/0437/7742/5565/files/aankh_marey_lyrics_song.pdf
    • https://cdn.shopify.com/s/files/1/0434/3680/2204/files/tolaxusujefemuvubutove.pdf
    • https://cdn.shopify.com/s/files/1/0434/8903/4402/files/definisi_pluralisme_menurut_para_ahli.pdf
    • https://cdn.shopify.com/s/files/1/0432/6745/7188/files/poledofewikatikad.pdf
    • https://cdn.shopify.com/s/files/1/0432/1044/0862/files/frying_pan_river_fishing_report_orvis.pdf
    • https://cdn.shopify.com/s/files/1/0430/9378/6791/files/dufubimadiwemuvilunijif.pdf
    • https://cdn.shopify.com/s/files/1/0431/1823/1709/files/32241420562.pdf
    • https://cdn.shopify.com/s/files/1/0436/9232/7077/files/61468399062.pdf
    • https://cdn.shopify.com/s/files/1/0434/4853/3144/files/70488640785.pdf
    • https://cdn.shopify.com/s/files/1/0430/9549/0721/files/nefakuziroxopinura.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_off00005d99.bin
3a1f5ed976796b852f53db35fd08411b915968775b1d6fba96af5a75acf5dce1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D99 5580 bytes
font_01_sfnt_off00007096.bin
f58dac70b5ce52bf81df34d1a822a0cb4f1e5c05be5d1d20ac4417136bd3fdfc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7096 2048 bytes
font_02_sfnt_off00007973.bin
7666b2880c19af2a859a64d3821a30257bdc5fb0a736b80230165b2eabb3fc89		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7973 10208 bytes

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