Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7cff153608fda2…

MALICIOUS

PDF

37.9 KB Created: 2020-07-24 14:09:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 869668cdc584b7a36029a3099c7af35e SHA-1: 7ac5d037e097b16c17f789658fa9e8714bab1a08 SHA-256: cd7cff153608fda22fd7c666bbc74ad3bd8c1e67cd3aec3fa8a2c7897674fc58
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one specifically pointing to a known malicious redirector. This suggests a phishing or malicious redirection attempt. The file also exhibits characteristics of a link farm, likely intended to artificially inflate search engine rankings or distribute traffic to malicious sites. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the exact lure.

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.ru/wb?keyword=practical%20food%20rheology%20an%20interpretive%20approach%20pdf
    • http://files.brandonmoorecomposition.com/uploads/1/3/1/4/131438766/muxigem.pdf
    • http://files.mcnamaragypsies.com/uploads/1/3/1/8/131871902/5867189.pdf
    • http://files.raemiz.com/uploads/1/3/1/3/131379923/332c3.pdf
    • http://files.emilypassic.com/uploads/1/3/1/3/131398059/fixavijufore-xuruvixafupu.pdf
    • http://files.raemiz.c
    • https://cdn.shopify.com/s/files/1/0431/2439/2087/files/96773304738.pdf
    • https://cdn.shopify.com/s/files/1/0429/0864/7580/files/rusel.pdf
    • https://cdn.shopify.com/s/files/1/0434/1691/2037/files/resogelixapepizikol.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lekerumukin.pdf
    • https://cdn.shopify.com/s/files/1/0427/6686/0455/files/guxidasuxirivipufazafowu.pdf
    • https://cdn.shopify.com/s/files/1/0431/7626/3841/files/81509858755.pdf
    • https://cdn.shopify.com/s/files/1/0432/2243/3953/files/68643961579.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kufotiniponekurek.pdf
    • https://cdn.shopify.com/s/files/1/0433/9128/7452/files/dibunogapisubobiju.pdf
    • https://cdn.shopify.com/s/files/1/0434/9670/2104/files/61992495586.pdf
    • https://cdn.shopify.com/s/files/1/0431/6240/2967/files/1257219247.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/16994954809.pdf
    • https://cdn.shopify.com/s/files/1/0439/1193/8216/files/pasumamodusu.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_off00005930.bin
8a55eb301beba16c87fbaa931b59bf32c302a7577e747a362e0ebc5d4708cab1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5930 5188 bytes
font_01_sfnt_off00006ac8.bin
e242c55fb470dff13cd8d1ecc55f9ead61b45442cfe3ab66bebd6767d5e32893		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AC8 9084 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.