Malicious PDF — malware analysis report

Static analysis result for SHA-256 6de4902f143226f8…

MALICIOUS

PDF

38.7 KB Created: 2020-08-22 20:57:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f95b9e6ed5a0dd907da74d4feea62552 SHA-1: 9d3e69ca4a4dc3ba755c1000480c4202aec619bd SHA-256: 6de4902f143226f8c34b3629c1dca845f78c93af7bcdec61927f36cdc3a843f4
194 Risk Score

Malware Insights

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

This PDF file contains numerous links to external resources, masquerading as educational materials. The primary link, 'https://ttraff.com/pify?keyword=zero+conditional+sentences+worksheets', is identified as a malicious redirector, indicating a phishing or malware distribution attempt. The document's structure and the presence of many links suggest it is part of a link farm designed to distribute malicious content or phish for information.

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=zero+conditional+sentences+worksheets In PDF document text
    • http://files.amandabeekhuizen.com/uploads/1/3/0/7/130775690/d5ff23774ec07bf.pdfIn PDF document text
    • http://sedox.myslickpic.com/uploads/1/3/0/8/130874063/bepaluwumegi.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/1/0429/5327/7603/files/70435952779.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8868/8790/files/business_english_and_communication_by_clark.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3513/0018/files/tukar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5862/4672/files/tiripewewugipavet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2442/4853/files/mmpi_test_questions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4695/1319/files/report_illegal_dumping_hazardous_waste.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8589/6609/files/jisazototabuporipenawane.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0976/7584/files/viwawetemipirexejigisine.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7963/9967/files/14434660652.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8620/8406/files/69471976602.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3489/4755/files/95961515045.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9848/9503/files/82632016967.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8606/1463/files/16106649491.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 7

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_off0000580e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x580E 5140 bytes
SHA-256: 00447900e3f7efc007b9aac7a5f2589b998e521978c74d7c0ab0c8831a3d47e0
font_01_sfnt_off0000698f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x698F 10124 bytes
SHA-256: a376aa07b60074964f8b7259f58c2c28eeea931f82723474654dea264fe091bf

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