Malicious PDF — malware analysis report

Static analysis result for SHA-256 efc4de5d0c050282…

MALICIOUS

PDF

41.1 KB Created: 2020-08-17 10:32:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 62d5947250cb579b81007068800f80e1 SHA-1: 46e01b4f624bf5f226ceca7e1199845e21cf698b SHA-256: efc4de5d0c05028292501ba921bb6003ace4755154826f210cba0612b9b78bb0
120 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link disguised as an 'Aquaponics manual pdf'. The primary malicious URL, https://ttraff.cc/pify?keyword=aquaponics+manual+pdf, is designed to redirect users to further malicious content. The document also contains a large number of links to external PDFs, many hosted on Shopify, which is a common tactic for SEO poisoning and distributing malicious files. 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.cc/pify?keyword=aquaponics+manual+pdf
    • http://fukise.spiritedshepherds.com/uploads/1/3/0/8/130874233/f86137f07c8e8.pdf
    • http://files.brokenbeautifulministries.net/uploads/1/3/0/7/130775953/1dc8c822c10.pdf
    • https://cdn.shopify.com/s/files/1/0437/6759/5165/files/15739178634.pdf
    • https://cdn.shopify.com/s/files/1/0431/7885/2507/files/stormie_omartian_prayers.pdf
    • https://cdn.shopify.com/s/files/1/0430/1763/3945/files/18740738924.pdf
    • https://cdn.shopify.com/s/files/1/0427/6980/9575/files/25373569310.pdf
    • https://cdn.shopify.com/s/files/1/0431/7492/0347/files/batman_dark_knight_rises_free.pdf
    • https://cdn.shopify.com/s/files/1/0440/9065/4870/files/hampton_bay_ceiling_fan_manual_uc7083t.pdf
    • https://cdn.shopify.com/s/files/1/0431/5460/4198/files/80439740088.pdf
    • https://cdn.shopify.com/s/files/1/0433/9708/7390/files/addiction_recovery_worksheets.pdf
    • https://cdn.shopify.com/s/files/1/0438/9208/0795/files/bowetogep.pdf
    • https://cdn.shopify.com/s/files/1/0435/0499/2408/files/homeworld_remastered_cheats.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_off0000610b.bin
ceb7e71cee89fd7f50a16ee385d22e1f63debfd8b08a5da4ac4df1fbda39195c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x610B 5320 bytes
font_01_sfnt_off00007309.bin
497c3e4706a23f219541878c22d6785646edde3a908035bb8e5f9586deb8e3d1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7309 10876 bytes

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