Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c419a22189a27c1…

MALICIOUS

PDF

71.9 KB Created: 2020-09-17 01:21:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4d90c7d6b364687333455d6acbd4b77c SHA-1: 5cab485b9d6fe359db83ab99b39ac377afff4e59 SHA-256: 3c419a22189a27c14e0ae97e970a017bdf57c102504f6baf71e933397845f2e0
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains numerous embedded links, a common tactic for redirecting users to malicious websites. The document body, though partially corrupted, suggests a lure related to an instruction manual. The heuristic firings confirm the presence of a malicious redirector link and a link farm, indicating a probable phishing or malware distribution campaign. The primary malicious URL identified is https://ttraff.link/wix?keyword=mainstays+metal+arm+futon+instruction+manual.

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.link/wix?keyword=mainstays+metal+arm+futon+instruction+manual
    • http://mapipelu.animalcarefoundation.org/uploads/1/3/2/7/132710621/bujuwexepifod_mafitofu_xezigoxafidu_rabej.pdf
    • http://files.alohaestatejewelry.com/uploads/1/3/1/4/131482939/9e7664d6e.pdf
    • http://files.saintmichaelsb.org/uploads/1/3/1/4/131407549/kixamujede_kixigoz_viguzebef_vudixoxekalobip.pdf
    • http://files.moldin.net/uploads/1/3/1/4/131453061/4737093.pdf
    • http://files.lorilearnardart.com/uploads/1/3/0/8/130874284/1874721.pdf
    • http://files.ashboogey.com/uploads/1/3/0/7/130776266/95775e5a11984ff.pdf
    • http://ruremure.driftwoodshoresdesigns.com/uploads/1/3/1/4/131452917/46e487c7807994.pdf
    • http://tebuf.simplyyounutrition.com/uploads/1/3/0/7/130776407/9507057.pdf
    • http://dokekaga.255milledge.com/uploads/1/3/0/8/130814328/xunibufijibe-zikivinawazujer-difexemoviziba.pdf
    • https://cdn.shopify.com/s/files/1/0431/3091/2934/files/63466221251.pdf
    • https://cdn.shopify.com/s/files/1/0434/1347/1384/files/pevafer.pdf
    • https://cdn.shopify.com/s/files/1/0431/1141/5965/files/nudurezijawanugikex.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_off0000d2c7.bin
dd7b880f1c6958317b71933e3175eb4154b1281d355b69180e4ce829e506ee21		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD2C7 2828 bytes
font_01_sfnt_off0000dcc1.bin
b42f2955de7eb034d8c94e585483aa9b419b80eada901dad69c301ff97d0d80f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDCC1 5136 bytes
font_02_sfnt_off0000ee32.bin
8b09e07fc5387a99852c4d304a1eeb5d9f155d1643b8f66c16d460850d54175f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEE32 9868 bytes

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