Malicious PDF — malware analysis report

Static analysis result for SHA-256 5af30659e85e23ee…

MALICIOUS

PDF

63.1 KB Created: 2020-07-28 14:09:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e129f1e5af61ddf8bd935244039fd0e5 SHA-1: 07dd88c508924bee8b94f65d00213065f0be6b59 SHA-256: 5af30659e85e23ee332ab2d508353265bd863f3d9dd9ae862c15162211272446
194 Risk Score

Malware Insights

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

The PDF contains numerous links to external websites, with a critical heuristic firing indicating it redirects to known malicious infrastructure via 'ttraff.com'. The document body, though heavily obfuscated, suggests a lure related to 'cement production technology'. The presence of embedded URLs and the ML classifier's high confidence score support a malicious classification.

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.com/pify?keyword=cement+production+technology+pdf In PDF document text
    • http://files.chamonixpatinage.com/uploads/1/3/1/3/131380177/7304951.pdfIn PDF document text
    • http://files.vandalsgames.com/uploads/1/3/0/8/130874683/pipowuxezujijume.pdfIn PDF document text
    • http://files.jessicamixon.com/uploads/1/3/0/7/130775033/5fc580170ec.pdfIn PDF document text
    • http://files.everlongcreative.com/uploads/1/3/0/7/130775163/7540740.pdfIn PDF document text
    • http://files.emilyshapiroconsulting.com/uploads/1/3/1/4/131454190/beruxewiseboj.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/1/0429/8457/1031/files/xuxokebisezu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94260126358.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6866/7542/files/ripujizevasemelug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9456/5271/files/nibot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0600/8216/files/74330703489.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5706/9721/files/dinezajujenujajuz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0144/6554/files/medonuwevijexopokarowiwa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0306/0128/files/25789824688.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3371/4070/files/35262372017.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8909/8907/files/tebavasira.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3067/3565/files/20350820136.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6028/2023/files/medebevobumal.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_off0000babe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBABE 5188 bytes
SHA-256: 9c276d4e9096c86a40cebc8e776b6b6a0dddc957e4eef9c8449525dfed1ef178
font_01_sfnt_off0000cc43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC43 10108 bytes
SHA-256: b0d6b9d3cbedd08eb2848caebd1605d92ff0e8109fe3d0e2a9eb40dcc07929b8

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