Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e1bdbbeb091d97e…

MALICIOUS

PDF

38.3 KB Created: 2020-08-27 16:46:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e9f32f3a436743feb423aa1d7552feba SHA-1: a5d5106d175d3f015b196bafb642deec611cc2b8 SHA-256: 0e1bdbbeb091d97e68c5e3d333d73f52604ae39321cd2c6c8c769ec15708b30b
194 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one critical heuristic firing indicating it leads to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a URL that matches the redirector found in the heuristics. This suggests the primary purpose is to redirect users to a malicious site, likely for phishing or malware distribution.

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=kuinka+paljon+canesten+oraalisesti+o In PDF document text
    • http://files.vetwoundlibrary.com/uploads/1/3/1/0/131071240/f3734dec841.pdfIn PDF document text
    • http://wawoze.michiganrealtysolutions.com/uploads/1/3/1/8/131856331/1938115.pdfIn PDF document text
    • http://files.seafaith.net/uploads/1/3/1/4/131437834/7185734.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/1/0431/6971/0241/files/cisco_catalyst_3650_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/52657742202.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7258/4861/files/jesig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6264/7192/files/65853964833.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6726/0582/files/lovisuwef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7077/4693/files/libajupawixevobilotuzal.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0439/4661/files/55878211432.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81274949660.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sigejorivuzogekos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1581/2766/files/afghan_jalebi_video_3gp_song.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8457/0019/files/subetaseropalo.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_off00004e69.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E69 5036 bytes
SHA-256: 9fbae96b7f158a4ab73c7925ed234287ac989f603b3475379b1f3fb279a0152b
font_01_sfnt_off00005f98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F98 13772 bytes
SHA-256: 34f17d10409d45926725af0de29671a8d0cc08d65e7f50e50b86b31f2aac79f7

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