Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d206783e5f57415…

MALICIOUS

PDF

33.9 KB Created: 2020-08-25 05:23:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d38140dd09b58c2f8f2d00890723c998 SHA-1: dcb61ba533f6a7dccc85882e915f8fdc24b2da1b SHA-256: 5d206783e5f57415fdb6c29d549744e1bb5c48a7ebcbfc895088dbb74a700edf
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file contains numerous embedded links, many of which point to a redirector infrastructure known for distributing malicious content. The document body itself contains a lure related to a 'wallpaper photo gallery' and a URL that leads to a redirector. The presence of a link farm and a malicious redirector strongly suggests a phishing or scam attempt, likely designed to lead users to a compromised site.

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.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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.ru/pify?keyword=wallpaper+photo+gallery++mp4 In PDF document text
    • http://wuweki.ramonadynasty.org/uploads/1/3/0/7/130739423/pekirewagul.pdfIn PDF document text
    • http://wusos.ashlynnsboutique.com/uploads/1/3/1/4/131437594/tuganixesifatur.pdfIn PDF document text
    • http://files.coachhousecochins.com/uploads/1/3/1/0/131069764/1825010.pdfIn PDF document text
    • http://bizowilu.goatflowerfarm.com/uploads/1/3/1/4/131438539/fomosuboliluk.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/1/0427/9740/0223/files/mega_man_2._5d.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3272/4124/files/numbers_in_english_1_to_1000.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4830/4797/files/63110907431.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5425/9606/files/35594753877.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6529/5526/files/78093145287.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0928/5024/files/audit_report_2019_infosys.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2578/5255/files/carters_newborn_size_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6705/7063/files/radedinixogape.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7909/0855/files/nutonaxebewidiw.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004738.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4738 5256 bytes
SHA-256: ad16e8fa78313b22e55ee6202564a4d31b4f70aade1a06daae697ddf3bae0804
font_01_sfnt_off00005913.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5913 10016 bytes
SHA-256: 70ebc63282c894d5cbd4761835f343a8181473bf1e0038f9905a8098e753adb5

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