Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e316520a6e45dae…

MALICIOUS

PDF

62.2 KB Created: 2020-08-09 16:53:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0eb2a60de211fb136fca14b50f1a43ce SHA-1: 88529111c4f5eecd6a9095af5644b71862306426 SHA-256: 4e316520a6e45dae3ec58df6e60a339c4ffebe25adbe76785d52b3427f76d21d
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One critical heuristic firing indicates a direct link to a known malicious redirector at `https://ttraff.cc/pify?keyword=national+interest+and+ideology+pdf`. This suggests the document's primary purpose is to lure users to malicious infrastructure, likely for further exploitation or credential harvesting. No scripts were extracted from this sample.

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=national+interest+and+ideology+pdf In PDF document text
    • http://files.northwesternartreview.com/uploads/1/3/1/8/131871921/7456377.pdfIn PDF document text
    • http://belosunax.lanorthshorereia.com/uploads/1/3/1/1/131164243/7612106.pdfIn PDF document text
    • http://kelovigen.genjipedia.com/uploads/1/3/0/8/130873851/9872097.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/1/0433/4547/7783/files/8837553555.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/depuwi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7490/2423/files/catecismo_da_igreja_catolica_gratis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3698/2943/files/39550243553.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1931/3053/files/80300983957.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9715/1904/files/blaise_pascal_pensees_english.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3316/5986/files/43406600254.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2602/1527/files/82803575335.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0349/3022/files/23055987470.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7547/7416/files/79982321848.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4042/3592/files/pulse_width_modulation_principle.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_off0000b733.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB733 5280 bytes
SHA-256: e72b471a84d34c78f08b5b773f5300f768052a4af5381c6476435f88c3254f92
font_01_sfnt_off0000c949.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC949 10144 bytes
SHA-256: 74a74ae5599ca2938419d17b55c80b91323f84f841e2a71452d5423538935230

Open this report in the interactive analyzer, or submit your own file for analysis.