Malicious PDF — malware analysis report

Static analysis result for SHA-256 41f5472f68468b17…

MALICIOUS

PDF

40.7 KB Created: 2020-08-22 05:22:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3f14f4e513b506424d01b8da0249d850 SHA-1: d0a958d97fbc9a3b5f20fe77fbde858023519bd9 SHA-256: 41f5472f68468b17df928775396dce0df90ecd4b7303c20302468bd9b82550e6
120 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, with the primary link directing to a known malicious redirector at 'https://ttraff.com/pify?keyword=kshatriya+movie+songs'. This indicates a phishing or scam attempt designed to lead the user to malicious content. The document body, though heavily obfuscated, contains the same redirector URL and references to other PDF files hosted on Shopify, suggesting a link farm for SEO poisoning or traffic redirection.

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=kshatriya+movie+songs
    • http://files.michelleleblancshortstories.com/uploads/1/3/1/1/131164113/2df4f18b3da.pdf
    • https://cdn.shopify.com/s/files/1/0430/2589/1479/files/xudajunugodolezelojexu.pdf
    • https://cdn.shopify.com/s/files/1/0430/7111/1330/files/ccri_blackboard_login.pdf
    • https://cdn.shopify.com/s/files/1/0435/4995/0116/files/5003516883.pdf
    • https://cdn.shopify.com/s/files/1/0438/7130/5896/files/bujixotepuwinolopuxu.pdf
    • https://cdn.shopify.com/s/files/1/0435/7872/0414/files/32265782986.pdf
    • https://cdn.shopify.com/s/files/1/0432/0549/2904/files/wurireruvudaxatekasij.pdf
    • https://cdn.shopify.com/s/files/1/0432/8374/2884/files/65993940200.pdf
    • https://cdn.shopify.com/s/files/1/0431/4375/7992/files/sociology_of_education_module_1.pdf
    • https://cdn.shopify.com/s/files/1/0435/2969/9482/files/96468210187.pdf
    • https://cdn.shopify.com/s/files/1/0433/6241/8847/files/32693915269.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_off0000561b.bin
6026d7b87e3adcf5a094652e993ce43b79a24b2652bd66addecb2bdc09c3aa06		 pdf-font-stream PDF embedded font (sfnt) at offset 0x561B 5200 bytes
font_01_sfnt_off000067b9.bin
dd8dfe3f743e9f3aab30e4177ceeac74039f837033ac978fb3a4efe771c68de7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x67B9 10136 bytes
font_02_sfnt_off00008a91.bin
9f2bbd5ba0d1cb78f0b2bdc9b0e649607ad7ff2c5b159cd914d0c23d65e621ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8A91 2836 bytes

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