Malicious PDF — malware analysis report

Static analysis result for SHA-256 5c3661c62595cc36…

MALICIOUS

PDF

42.3 KB Created: 2020-08-10 23:43:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 491db1fd5951f955c4bc453e4b32bb7f SHA-1: f42af4616a529b93ebf403d2dffa2be2b553b59b SHA-256: 5c3661c62595cc3620f816e1b0d1378486a7bb9c744c29432124acb7de3adada
194 Risk Score

Malware Insights

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

This PDF document contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The primary redirector URL is https://ttraff.com/pify?keyword=wordly+wise+book+7+lesson+11+answer+key+pdf, which likely serves as a lure for users seeking specific document answers. The document's structure and link farm indicate a phishing or scam attempt, aiming to drive traffic to malicious 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=wordly+wise+book+7+lesson+11+answer+key+pdf In PDF document text
    • http://files.jebmotley.com/uploads/1/3/1/3/131379899/turevumo_samojofi_zexabi.pdfIn PDF document text
    • http://files.indianasicklecell.org/uploads/1/3/1/4/131408364/vuniriwifotor.pdfIn PDF document text
    • http://fezamobi.hvalliance.org/uploads/1/3/1/6/131606346/zugevov.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/1/0438/2382/5053/files/autonomic_nervous_system_pharmacology_quiz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8494/8380/files/baldur_s_gate_descent_into_avernus_google_drive.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0939/0238/files/vowufubuk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8866/7034/files/zafureranepiremetufep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9916/8673/files/60074597816.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tovovowegafakaroseras.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2167/2356/files/11141375032.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pexigubozorabavajodumixi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2665/3090/files/popowasaju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7098/0247/files/jifeguxugimutoxirakogezo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8909/1989/files/nafesinaxovuro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3631/8616/files/pefiwamuxeropu.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 2

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_off00006492.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6492 5576 bytes
SHA-256: 1a0abc1be0dda1c82ff7ba857e80b45bec31b4eff5c1687e21c6a1483791f405
font_01_sfnt_off000077c4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77C4 10468 bytes
SHA-256: 7f111745f1494d93afe5d8241ffcc4c726aa010eaf3621a8fb4e454156509107

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