Malicious PDF — malware analysis report

Static analysis result for SHA-256 75d629d4d4bebddf…

MALICIOUS

PDF

41.6 KB Created: 2020-08-03 11:10:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8913dfaa73e2f4db6c54ea8fcc998c2e SHA-1: 443ea1592037493132c15c969de65d3498482f7c SHA-256: 75d629d4d4bebddf8dd69c8d3d916d1fb7325c7c6b36ba8436dc36bf4c7faf0e
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many of which point to a redirector service that is known to host malicious content. The document body, though heavily obfuscated, contains the text "Joana leveling guide" and a URL that matches the redirector, suggesting a phishing or scam lure. The presence of many external PDF links further indicates a link farm or SEO abuse tactic to distribute 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.cc/pify?keyword=joana+leveling+guide In PDF document text
    • http://files.sofiaahmad.com/uploads/1/3/0/8/130873893/b4dc5.pdfIn PDF document text
    • http://files.inspiredmusic.us/uploads/1/3/0/9/130969454/da2e4f.pdfIn PDF document text
    • http://files.fbcrecreation.com/uploads/1/3/0/7/130776110/b59f90b7.pdfIn PDF document text
    • http://files.universityroadhouse.com/uploads/1/3/1/4/131409794/8a1046df1.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/1/0432/0670/5312/files/netipelumilanidim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0500/8293/files/lagajelejuxokoxemajazes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1936/9639/files/nokibatobuno.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1114/4861/files/18065248363.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/59022585862.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5470/2496/files/jibevawijasivadurus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1136/6309/files/fejokatutepiwinetek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7384/6952/files/80885525362.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7813/1611/files/konepesore.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0422/1849/files/chyna_she_hulk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5824/2470/files/vonatir.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3733/3406/files/kobuzukezasidadonokal.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 8

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_off00006675.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6675 4768 bytes
SHA-256: 160e649fb7b4394c2eadb5ac72827573a4d66506073360e3506da20d41a5521d
font_01_sfnt_off000076c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76C8 10272 bytes
SHA-256: da89546590a0f5130328b485677a9aa161bfa7ae844dcd785612c0e65acd12a3

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