Malicious PDF — malware analysis report

Static analysis result for SHA-256 34dbf1de5c843c00…

MALICIOUS

PDF

69.4 KB Created: 2020-09-19 05:56:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4b4a7e86bc63ac175022cdc3ee5ccd5c SHA-1: 623eeb99b62b5d8f31ebb0f88595c37fbc57b0bb SHA-256: 34dbf1de5c843c005fab01e2aff51ada12835b09eb94b7a67fba7f720347c285
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. The document body, though heavily obfuscated, contains text that appears to be a lure related to 'Salt and Sanctuary wisdom weapons', suggesting a phishing or social engineering attempt. The presence of numerous external PDF links indicates a link farm, likely for SEO manipulation or to distribute further malicious content.

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.me/wix?keyword=salt+and+sanctuary+wisdom+weapons
    • http://files.legacycustomwoodworks.com/uploads/1/3/1/4/131453267/3731ac675615a2.pdf
    • http://toxer.kigercreekflyshop.com/uploads/1/3/1/1/131164077/gumasevax-woxaxa.pdf
    • http://judolurop.apemum.com/uploads/1/3/0/8/130814070/6a797f636230.pdf
    • http://nakulare.brandito.net/uploads/1/3/0/7/130776008/c0512094658.pdf
    • http://files.theopengate.shop/uploads/1/3/1/3/131380728/03cc0c2.pdf
    • https://cdn.shopify.co
    • https://cdn.shopify.com/s/files/1/0452/9225/7441/files/o_que__apropriao_cultural.pdf
    • https://cdn.shopify.com/s/files/1/0432/2561/2450/files/chemistry_molecular_formula_list.pdf
    • https://cdn.shopify.com/s/files/1/0429/8758/5699/files/73990758849.pdf
    • https://cdn.shopify.com/s/files/1/0429/6186/2810/files/didur.pdf
    • https://cdn.shopify.com/s/files/1/0429/6232/1567/files/asian_games_winner_2020_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/0679/5686/files/compound_adjective_exercise.pdf
    • https://58d59cbc-53d0-433d-9184-03344228cd7b.filesusr.com/ugd/cf5aa9_b717c567b3df40d5878c2e64fb8c9a16.pdf?index=true
    • https://9ee64b6a-f6da-442b-991a-440b7f96a85f.filesusr.com/ugd/bca722_96bd61064f4f4d80adb18b02cee4f5b1.pdf?index=true
    • https://4f3435d0-0cc3-48d5-b84b-f6c446bc672c.filesusr.com/ugd/bd7df1_8d61c0b9d87b46bcacbc76dd30aa6098.pdf?index=true
    • 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_off0000c2f5.bin
2a02485858006a2f5f25372b85ba21c3eb835d0e8a07ee1cdc56ec1a6054b90b
pdf-font-stream PDF embedded font (sfnt) at offset 0xC2F5 5396 bytes
font_01_sfnt_off0000d53c.bin
de8af16017bfd4c654e1afc8e96b1b9158f678c1308eaef6e4353b36b40974d2
pdf-font-stream PDF embedded font (sfnt) at offset 0xD53C 11132 bytes
font_02_sfnt_off0000fa39.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34
pdf-font-stream PDF embedded font (sfnt) at offset 0xFA39 4324 bytes