Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e13cd53287007b2…

MALICIOUS

PDF

42.6 KB Created: 2020-08-19 03:03:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 534069e7b6c66620f9df415d1cf0c2d6 SHA-1: 550490787c4b361d11c24cea5db1dd1b425b3dea SHA-256: 5e13cd53287007b2f952fa392b83c073f1dd5967ce8b0c0080f8244b530e9757
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many pointing to a redirector service that is flagged as malicious. The document body, though heavily obfuscated, contains a URL that appears to be part of a phishing lure, suggesting the intent is to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.

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=certina+ds+first+manual In PDF document text
    • http://files.hellorichmond.org/uploads/1/3/1/4/131409794/jokupe_sawox.pdfIn PDF document text
    • http://files.lincolnfencecontractors.com/uploads/1/3/2/6/132681938/7c5f525598fb.pdfIn PDF document text
    • http://nipoli.jb-long.com/uploads/1/3/0/7/130776791/8972101.pdfIn PDF document text
    • http://files.shellybroughtonart.com/uploads/1/3/1/6/131606397/fuvivin.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/1/0428/0595/2671/files/linux_administration_course.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8482/3205/files/34160994684.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7964/6878/files/jupupub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2001/6021/files/31650853463.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7851/5864/files/kobebajizikipewataxojixup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6675/1131/files/michigan_vehicle_bill_of_sale.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8423/4398/files/93459568334.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8765/8150/files/79923599565.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4926/8886/files/72112255514.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4565/6488/files/wimakurulemiruxanixewo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4157/0466/files/base_de_dados_2.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_off00006840.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6840 4960 bytes
SHA-256: 07153ab8b42979683722bf88cdd9cf8a11ba9fcf3dda419efd2a7389a672ef2a
font_01_sfnt_off000078fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78FD 11040 bytes
SHA-256: 20e97a0b23ae25ecae69bf87803869c8c26fa6af5ebe6e283f81297a077cd5c8

Open this report in the interactive analyzer, or submit your own file for analysis.