Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0746e32bf280df6…

MALICIOUS

PDF

41.9 KB Created: 2020-08-19 01:13:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 028787b6435c6483bfa51a0894553f0f SHA-1: 21bd833b0afdbb7e32528096a8f341c1e7561e25 SHA-256: e0746e32bf280df6c0287f22f084b5b7852c720aaf21ed57dfd174e8e5650a40
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a specific malicious redirector URL, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains the malicious URL and text suggesting a lure for 'avs video editor windows 7 free'. The ML classifier strongly flagged this PDF as malicious. The primary malicious IOC is the redirector URL.

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.ru/pify?keyword=avs+video+editor+windows+7+free In PDF document text
    • http://lipeb.velieconsultingservices.com/uploads/1/3/0/8/130874588/3981317.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/1/0439/0807/1576/files/fopenujavumiralob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0443/0381/0716/files/protter_morrey_calculus_analytic_geometry.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/3220/4696/files/sodirokakil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2013/2257/files/logosizexafaso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3499/9975/files/tujolova.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1123/4197/files/wirixuzemujibafa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5857/7064/files/biodiesel_production_from_waste_vegetable_oil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0443/6285/8652/files/linear_algebra_equations_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0224/6814/files/introduction_to_robotics_mechanics_and_control.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7315/8806/files/rinubirimiperajozofeza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8865/7049/files/kamiguxigonaboguvi.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 1

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_off0000605d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x605D 4880 bytes
SHA-256: 23180ea3745fbec7c386ca94db3f58dc14465b06720b8f33a0c9b360703efd52
font_01_sfnt_off00007122.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7122 13204 bytes
SHA-256: a8aa0250a8131f836bb9e3616b1b003ed21034618043bb51c464bbf787e4e681

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