Malicious PDF — malware analysis report

Static analysis result for SHA-256 20e92569d7690c16…

MALICIOUS

PDF

48.1 KB Created: 2020-08-21 17:56:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7d1232ebbd1fac958005409958faf2a0 SHA-1: 644bbd9ffce1da54936adeb7441223684e1df646 SHA-256: 20e92569d7690c16228018cca6eb12c20eb728bf2f3bcde96311deee8cec6b53
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.com/pify?keyword=the+evil+within+2+trophy+guide+cheats', is designed to lure users by appearing to offer game cheats. The PDF also contains a large number of external links, many hosted on Shopify, suggesting a link farm or SEO poisoning tactic to drive traffic to malicious sites. 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=the+evil+within+2+trophy+guide+cheats
    • http://files.danielsitaly.com/uploads/1/3/0/7/130775760/pefarogutepalos.pdf
    • https://cdn.shopify.com/s/files/1/0437/7319/8497/files/algorithms_and_data_structures_in_python.pdf
    • https://cdn.shopify.com/s/files/1/0446/8106/8697/files/tafuzuke.pdf
    • https://cdn.shopify.com/s/files/1/0437/6425/2823/files/split_king_sheets_at_walmart.pdf
    • https://cdn.shopify.com/s/files/1/0432/4704/2715/files/gufatugifaje.pdf
    • https://cdn.shopify.com/s/files/1/0435/1187/3688/files/84381478129.pdf
    • https://cdn.shopify.com/s/files/1/0433/3033/8966/files/4chan_tripcode_generator.pdf
    • https://cdn.shopify.com/s/files/1/0448/0781/5334/files/jurobigikenanawejuj.pdf
    • https://cdn.shopify.com/s/files/1/0447/3772/4572/files/make_flash_drive_bootable_without_formatting.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_off00007dd4.bin
12d965031059b3f39650bda9d2c2995f335d4765bbac6b02d7670292b2558b33		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7DD4 5668 bytes
font_01_sfnt_off0000912e.bin
aa7d3c228e500707e0e49cdb49448adde895e3c46096bc9e51917ba5f7f13213		 pdf-font-stream PDF embedded font (sfnt) at offset 0x912E 10200 bytes

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