Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e9bdf09149920f7…

MALICIOUS

PDF

36.8 KB Created: 2020-08-14 16:16:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 16c08d43435f057180affe35550b0cf2 SHA-1: febe0d2a2fcbf3726c57e20454ad886d1d7dda9d SHA-256: 0e9bdf09149920f759caee3167c101f8090ef24e3430d032812397bc1e470933
194 Risk Score

Malware Insights

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

The PDF contains numerous links, including one that redirects to a malicious domain, disguised with text related to a 'certificate of conformity light novel'. This suggests a phishing or scam attempt to trick users into visiting a compromised site. The ML classifier strongly indicated maliciousness, and the PDF structure points to a link farm designed for SEO manipulation 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.com/pify?keyword=certificate+of+conformity+light+novel In PDF document text
    • http://files.gatsbybandflorida.com/uploads/1/3/1/6/131637302/mobeguximore.pdfIn PDF document text
    • http://files.abovethecoals.com/uploads/1/3/1/8/131856706/tapiboronirewub-wakusali-xawemonerurumij-lanujaka.pdfIn PDF document text
    • http://korivu.nqnd.org/uploads/1/3/1/4/131406062/6257284.pdfIn PDF document text
    • http://files.stcroixtech.org/uploads/1/3/1/3/131380354/6879374.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/1/0434/3313/2184/files/jisaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1561/9239/files/lomeverusifuxufo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8947/5237/files/90140481650.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4744/3865/files/what_is_bravais_lattice.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9816/7713/files/google_sheets_merge_cells.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3526/3138/files/53148004507.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2814/3510/files/33613218854.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0505/1029/files/76654269857.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_off00005202.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5202 5184 bytes
SHA-256: d41168eddd3c45eba2340a1903fa3f98e2419d96a83c694c2a299e4288a029c2
font_01_sfnt_off00006387.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6387 10376 bytes
SHA-256: 0b5e56ac3be549fbd56129f5af5e8c6f74e850541a245afe7a2938239913084d

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