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) First seen: 2026-05-08
MD5: 4d90c7d6b364687333455d6acbd4b77c SHA-1: 5cab485b9d6fe359db83ab99b39ac377afff4e59 SHA-256: 3c419a22189a27c14e0ae97e970a017bdf57c102504f6baf71e933397845f2e0
184 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.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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 In PDF document text
    • http://mapipelu.animalcarefoundation.org/uploads/1/3/2/7/132710621/bujuwexepifod_mafitofu_xezigoxafidu_rabej.pdfIn PDF document text
    • http://files.alohaestatejewelry.com/uploads/1/3/1/4/131482939/9e7664d6e.pdfIn PDF document text
    • http://files.saintmichaelsb.org/uploads/1/3/1/4/131407549/kixamujede_kixigoz_viguzebef_vudixoxekalobip.pdfIn PDF document text
    • http://files.moldin.net/uploads/1/3/1/4/131453061/4737093.pdfIn PDF document text
    • http://files.lorilearnardart.com/uploads/1/3/0/8/130874284/1874721.pdfIn PDF document text
    • http://files.ashboogey.com/uploads/1/3/0/7/130776266/95775e5a11984ff.pdfIn PDF document text
    • http://ruremure.driftwoodshoresdesigns.com/uploads/1/3/1/4/131452917/46e487c7807994.pdfIn PDF document text
    • http://tebuf.simplyyounutrition.com/uploads/1/3/0/7/130776407/9507057.pdfIn PDF document text
    • http://dokekaga.255milledge.com/uploads/1/3/0/8/130814328/xunibufijibe-zikivinawazujer-difexemoviziba.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3091/2934/files/63466221251.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1347/1384/files/pevafer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1141/5965/files/nudurezijawanugikex.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d2c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2C7 2828 bytes
SHA-256: dd7b880f1c6958317b71933e3175eb4154b1281d355b69180e4ce829e506ee21
font_01_sfnt_off0000dcc1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDCC1 5136 bytes
SHA-256: b42f2955de7eb034d8c94e585483aa9b419b80eada901dad69c301ff97d0d80f
font_02_sfnt_off0000ee32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE32 9868 bytes
SHA-256: 8b09e07fc5387a99852c4d304a1eeb5d9f155d1643b8f66c16d460850d54175f