Malicious PDF — malware analysis report

Static analysis result for SHA-256 7edccaec4fa72494…

MALICIOUS

PDF

45.1 KB Created: 2020-08-06 10:17:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: cbd542af2a14ffdd4d128f54a9cf8553 SHA-1: 06b4db3302d3d717f5af6d1bfdd5f0e34651fdc2 SHA-256: 7edccaec4fa72494940125780a29bda02abfd797371b8aa7889d65757cdb726b
194 Risk Score

Malware Insights

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

The PDF contains a link farm and a redirector URL, indicating a phishing or scam attempt to trick users into downloading further content. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple embedded URLs pointing to a redirector supports this. The document body contains obfuscated text and URLs, suggesting an attempt to disguise its malicious intent.

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=biblia+de+jerusalen+ilustrada+pdf In PDF document text
    • http://files.mascotwesley.com.au/uploads/1/3/1/6/131606025/866323e51.pdfIn PDF document text
    • http://files.mygentlehealth.com/uploads/1/3/0/9/130969871/2898801.pdfIn PDF document text
    • http://files.norenbergtax.com/uploads/1/3/1/3/131398515/mirejovemop.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/1/0431/8773/2644/files/29622689570.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4040/7701/files/54090300068.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7788/6367/files/dilejak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2729/1547/files/nios_506_assignment_in_tamil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5588/3175/files/33463799934.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0386/2440/files/71161387810.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1754/3588/files/63411202308.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9961/9492/files/jurovarubebubuwivefuta.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2770/1655/files/lixar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86562581376.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4053/8773/files/66430035944.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3350/9534/files/minecraft_prison_escape_map.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 5

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_off00006fa3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FA3 5300 bytes
SHA-256: b25f01203c0df7308e0ea408c01f97503c5b4e620aade329840ed15a6baedf52
font_01_sfnt_off000081b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81B6 11176 bytes
SHA-256: 5ceefc4c04a27670b6f5423d1f5bb519f5440f348b974bfdbb10da1c57bcd3e1

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