Malicious PDF — malware analysis report

Static analysis result for SHA-256 4b4129a2e3e96993…

MALICIOUS

PDF

53.1 KB Created: 2020-08-01 09:16:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4939e04806f682f376c379b5f1cd7d1c SHA-1: f6f1c116dfa4e038b8ea52f5041412e9ea742b31 SHA-256: 4b4129a2e3e96993a269a0a78977b91d2856e12513fc2cc91bcd06f0fe32102a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of external links, many pointing to shopify.com domains, which is indicative of a link farm or SEO poisoning attempt. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=relic+douglas+preston+pdf'. The document body, though heavily obfuscated, contains this same URL, suggesting the primary intent is to redirect the user to malicious infrastructure. No scripts were extracted, limiting the analysis of direct execution capabilities.

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=relic+douglas+preston+pdf In PDF document text
    • http://files.gluggakeyp.com/uploads/1/3/0/7/130739856/jumak-kezisubufi-zukesimepomuxig-vutoxe.pdfIn PDF document text
    • http://files.sags.org.uk/uploads/1/3/1/1/131164488/b9d0cec.pdfIn PDF document text
    • http://files.atypicaltipple.com/uploads/1/3/0/8/130813859/fakukigux.pdfIn PDF document text
    • http://files.compass-quay.com/uploads/1/3/1/3/131383404/dedibotavosowan_vogamez.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/1/0428/3655/7987/files/pamezem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4190/7100/files/moxagedevarozek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0681/9477/files/23060978672.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/12319118289.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4347/1003/files/55737812877.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9798/1089/files/nedoru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9189/4176/files/pitovakowep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6197/8023/files/wiforuritano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2343/2854/files/86872905450.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9776/6553/files/97146873863.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3365/5446/files/lobatexalopovanonitor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6271/4773/files/wugaxukojofubi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1991/0811/files/zagunawasudewusobugakutov.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 4

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_off000092bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x92BF 5328 bytes
SHA-256: 299330b113725b45f0aa27261d43ca4b0c4bbb4a19a90704b0a43d7305658754
font_01_sfnt_off0000a4f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA4F7 10116 bytes
SHA-256: deddaea36a4df7416d711e065f1faa79827058a4a8a7c9c30ec619851ae1efeb

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