Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e292d02f59504d3…

MALICIOUS

PDF

40.0 KB Created: 2020-08-17 16:55:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 437b7fabad09b800f595814d08ba4fc8 SHA-1: 9c8c46746ee9811d8f8c1bb78abec96090823084 SHA-256: 6e292d02f59504d3f815c560c536a42a01adef4cff5486f391c251aff701dff7
234 Risk Score

Malware Insights

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

The PDF document contains a lure disguised as a 'Risk assessment template for school trip' and embeds numerous links. Several of these links point to known malicious redirectors or algorithmically generated URLs, indicating a phishing or scam attempt. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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=risk+assessment+template+for+school+trip In PDF document text
    • http://jexoxuxud.shrewsburydaycare.com/uploads/1/3/1/4/131453060/xajev.pdfIn PDF document text
    • http://kosidas.studio2corning.com/uploads/1/3/0/7/130738799/5916651.pdfIn PDF document text
    • http://files.richardgmont.com/uploads/1/3/1/1/131163986/2452897.pdfIn PDF document text
    • http://kubafev.brucereevesswiftamericasartist.com/uploads/1/3/2/7/132741029/1099581.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/1/0428/7148/8668/files/papitapaxijitawonidemulax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5693/1751/files/virenedesoku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3712/0933/files/82176081189.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6549/1107/files/42961856446.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0383/7592/files/88735083772.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5793/8581/files/gemasulaware.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7532/9441/files/dnd_5e_size_advantage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1415/0553/files/auxiliary_verbs_esl.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1250/5252/files/noneluludafele.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5932/8662/files/fosowenexa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8529/9874/files/sewasodulowaji.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 4

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_off00005e7a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E7A 5328 bytes
SHA-256: c90947cdb706d145594deb42f40da76872322ecf635d744bda6624c14e9feada
font_01_sfnt_off0000706f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x706F 10144 bytes
SHA-256: 35da821e7ca21d28055857f24f736476722c71672e7e8924063caf4faa8b2f7e

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