Malicious PDF — malware analysis report

Static analysis result for SHA-256 5b6ddd403eacb389…

MALICIOUS

PDF

42.2 KB Created: 2020-08-03 02:39:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 469f4a9aeb582dc1196a47e3083c43e2 SHA-1: b702cc82b2590fde5b239c4f39ea9286ed494d2e SHA-256: 5b6ddd403eacb38977a80c3ceff08d1f56644477ec541afe98e9b196cf4de319
194 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by a machine learning classifier and contains multiple heuristics indicating malicious redirector links and a link farm. The document body, though partially corrupted, contains URLs that suggest a lure for downloading resources, such as 'Hornady reloading manual pdf free'. The primary redirector URL, https://ttraff.com/pify?keyword=hornady+reloading+manual+pdf+free, is used to obscure the final destination of the download, likely leading to further 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=hornady+reloading+manual+pdf+free In PDF document text
    • http://files.omgp.org/uploads/1/3/1/3/131380841/4603373.pdfIn PDF document text
    • http://files.cruzah.com/uploads/1/3/1/3/131398059/gumuden-pamivepu-pewikiwid-zenem.pdfIn PDF document text
    • http://files.theportlandtowingcompany.com/uploads/1/3/2/3/132303353/fajor_gojerogitid.pdfIn PDF document text
    • http://files.thegodcon.com/uploads/1/3/0/9/130968921/7eca6f7c2.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/1/0429/0550/1852/files/3496356622.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1571/4469/files/economics_mcconnell_19th_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8271/1201/files/jutubufitajizotazinuvob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2068/1369/files/jubivojapotoxefin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0290/4222/files/nikuxisiwilij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8748/5342/files/rekimip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5253/0845/files/34125130641.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9148/3041/files/peregukeb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5531/7149/files/91466707807.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0629/4176/files/lirujinotoxog.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_off0000662e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x662E 5244 bytes
SHA-256: 29c0aae3ff2b9c1fe828aca6676b5b2bab231e791273e6b9c0d5029aac2e5888
font_01_sfnt_off000077f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77F9 10544 bytes
SHA-256: 925652a995eee5c6ac38b2cfd076ff6fc7d5fe22f1d6bb7ecf6232fa26ab777a

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