Malicious PDF — malware analysis report

Static analysis result for SHA-256 0097359f100a6bb7…

MALICIOUS

PDF

40.3 KB Created: 2020-08-20 12:53:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f80b61fbc48d8c957781abecdbe7e5ed SHA-1: 6dddb4a8c4b6118e85672a8df46eae98a4efbb14 SHA-256: 0097359f100a6bb73cca0678393e4cb37a880f443438f1d43ae4a221dbfe52fa
194 Risk Score

Malware Insights

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

This PDF file contains numerous links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains a URL that also leads to this redirector, suggesting a phishing or scam attempt. The ML classifier strongly indicated maliciousness, and the presence of a link farm further supports a malicious intent to drive traffic to potentially harmful sites.

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=luxury+travel+guide+editorial+internship In PDF document text
    • http://files.skylightyogafit.com/uploads/1/3/2/7/132712034/f8bd1f839df88c.pdfIn PDF document text
    • http://files.andreareynolds.net/uploads/1/3/0/7/130776500/ace903045.pdfIn PDF document text
    • http://files.pfalzerwald.com/uploads/1/3/2/6/132681304/6479643.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/1/0429/8525/9159/files/ayushman_bharat_hospital_list_vadodara.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9762/9596/files/tulelawamula.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8757/6740/files/all_archie_comics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8512/8099/files/64839235264.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0304/3230/files/52126553302.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6237/7113/files/nibegelogonu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5685/6230/files/zimalalo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4930/2693/files/reletazezuten.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0080/7070/files/64435649868.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3082/3583/files/vijobenokofowe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6737/4758/files/zufavonazatuvene.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_off00005ff6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FF6 5392 bytes
SHA-256: d40d1a523a20c1e31a4a2bffd1daf819f6eab89063df6e6ca5685c8c88fa22d0
font_01_sfnt_off00007252.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7252 9908 bytes
SHA-256: 251d57abe558943287547d66516c57f6de6ffe7318122df234f2b2c3fdc0f66f

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