Malicious PDF — malware analysis report

Static analysis result for SHA-256 dde43964f1eb5dcf…

MALICIOUS

PDF

41.7 KB Created: 2020-08-01 22:50:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cf23633a89d4fbcb03a62f0d73a975e2 SHA-1: 8633f1944c42efd2593d6d183ca0b7d88609bd6b SHA-256: dde43964f1eb5dcf920804ca99a49ca4041de64b82bd3c5aca786ff67febf2fe
194 Risk Score

Malware Insights

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

The PDF document contains a link farm and redirects to a malicious URL, disguised as a vehicle owner's manual. The ML classifier strongly indicated maliciousness, and the embedded links point to known redirector infrastructure. No scripts were extracted, but the document's structure and embedded links suggest a phishing or malware distribution attempt.

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.cc/pify?keyword=2016+toyota+camry+se+owners+manual In PDF document text
    • http://files.cardinalfastener.com/uploads/1/3/1/1/131163684/mififago.pdfIn PDF document text
    • http://files.florencetrackclub.com/uploads/1/3/2/7/132710601/8595793.pdfIn PDF document text
    • http://files.manujaspeaks.com/uploads/1/3/0/8/130814056/zemeda.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/1/0433/0687/7080/files/65431134640.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1608/5923/files/kinukemimivikoroni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3123/2675/files/canon_mg2900_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zukukujumifuxutage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4329/9234/files/fuvilumukarejusu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4856/6933/files/billy_blanks_wife.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7963/8942/files/62354850749.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1455/3763/files/69004560879.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6497/5765/files/22861023339.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9853/0202/files/81899956016.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80084587067.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0663/7726/files/jopisasosuni.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 5

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_off00006427.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6427 5524 bytes
SHA-256: 09f0dcf82c57445c3299ee30e42f43bc90298adbf0dc41ac491dcb8ff4cce630
font_01_sfnt_off000076f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76F1 10208 bytes
SHA-256: cf1bb0dab7ca3612d419b3dbe325cc4b9dacd5be56b91465d3506645fed7240d

Open this report in the interactive analyzer, or submit your own file for analysis.