Malicious PDF — malware analysis report

Static analysis result for SHA-256 29f6c75de3ed6ce3…

MALICIOUS

PDF

50.8 KB Created: 2020-09-03 09:57:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7e9f7541bcb4c0c4a4f28c718edeccb0 SHA-1: d45e21ea390f238c29e2cf0c2d9b42045f2a32f0 SHA-256: 29f6c75de3ed6ce3453b5ad25dec26645cfedf6ed9601ad3f84ba3882f2552c9
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, a common tactic for SEO poisoning and redirecting users to malicious sites. One of the primary links, 'https://ttraff.ru/wix?keyword=stay+tuned+movie', is flagged as a known malicious redirector. The document body contains garbled text but also includes the same URL, suggesting it's the intended lure. The presence of a link farm and a malicious redirector strongly indicates a phishing or malware distribution attempt.

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/wix?keyword=stay+tuned+movie
    • https://static.usrfiles.com/ugd/b8c837_9bfe05a77a1b4d5eabd0d05d04a283b4.pdf
    • https://static.usrfiles.com/ugd/b8c837_fde0e5f9ecf94f0f8fa19f126ef7d74a.pdf
    • https://static.usrfiles.com/ugd/b28ae2_0951a4a82ecc488fab650298916bf6d7.pdf
    • https://cdn.shopify.com/s/files/1/0437/6916/8021/files/dc_comics_series.pdf
    • https://cdn.shopify.com/s/files/1/0430/6065/8333/files/molezimatowasiges.pdf
    • https://cdn.shopify.com/s/files/1/0430/6357/4682/files/manamey_album_song_masstamilan.pdf
    • https://cdn.shopify.com/s/files/1/0432/1817/4120/files/cengage_bm_sharma.pdf
    • https://cdn.shopify.com/s/files/1/0433/8148/9818/files/tubidebajezupatepiba.pdf
    • https://cdn.shopify.com/s/files/1/0429/8401/3977/files/songs_of_war_movie.pdf
    • https://cdn.shopify.com/s/files/1/0434/3808/0167/files/24332454405.pdf
    • https://cdn.shopify.com/s/files/1/0433/2548/9320/files/56614914368.pdf
    • https://cdn.shopify.com/s/files/1/0430/6357/4682/files/hvac_troubleshooting_guide.pdf
    • https://cdn.shopify.com/s/files/1/0431/5460/4198/files/11417447103.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_off00007b90.bin
df43077f39b1d3c43d09ed628f3fa3255bf23264f35b592d3e42faa6f379ed84		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B90 4812 bytes
font_01_sfnt_off00008bd7.bin
eb37a7114292be61a276b17ba0e8453341a7930ba56ba82e8d45b4ec60b80020		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8BD7 10864 bytes
font_02_sfnt_off0000b0fa.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB0FA 4324 bytes

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