Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b1168a1ab2643b3…

MALICIOUS

PDF

42.3 KB Created: 2020-08-04 23:30:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 179cbaf1b0cd3d9b26e2b2030f3f37b8 SHA-1: 230803fc4a3f5604b3262389925ccbce11adaa2d SHA-256: 0b1168a1ab2643b3bd2e437b2775b391d028f22e6c58b108fef3186a6e7fd947
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, including one to a known malicious redirector at 'https://ttraff.com/pify?keyword=academic+essay+example+pdf'. The document body and heuristics suggest a lure using an 'academic essay example' theme to trick users into clicking these links, which likely lead to further malicious content or malware downloads. The presence of numerous links, many pointing to Shopify domains with seemingly random PDF filenames, indicates a link farm SEO tactic to improve search engine ranking for malicious content.

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=academic+essay+example+pdf In PDF document text
    • http://files.judilane.com/uploads/1/3/2/6/132695915/wabaxizoko-jipivowufufekos-suvigitu-golunakipudagib.pdfIn PDF document text
    • http://files.muusan.org/uploads/1/3/1/1/131163667/ee82b3ff.pdfIn PDF document text
    • http://files.rozelcruz.com/uploads/1/3/2/7/132740337/4077060.pdfIn PDF document text
    • http://files.madridistasatl.com/uploads/1/3/2/7/132740580/rezomipaxugu.pdfIn PDF document text
    • http://files.bethelcrcyouth.com/uploads/1/3/0/8/130813777/nozejagajalu.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/1/0428/9835/8432/files/72710717911.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5144/1560/files/91085781134.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5049/2316/files/tadokagube.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1750/1852/files/xepodofijafafitivam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6745/7188/files/zasukijosa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0048/7332/files/kapubukinisadukikor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1312/8867/files/xesiwa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5265/5002/files/72178329878.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4209/2694/files/84016360267.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8305/5782/files/fepekuzuvozubejopiluxo.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_off0000693f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x693F 5364 bytes
SHA-256: 9b5ddcdfe0afc2d914c2260bc97c62a18e4c231a5f14b5b1ae487233bee49605
font_01_sfnt_off00007b82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B82 9684 bytes
SHA-256: 82fde8148882d66df52471792aa2ef8bd5e6b6252c750ab3da7932e0ddf24392

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