Malicious PDF — malware analysis report

Static analysis result for SHA-256 11c29abcb1d0b2e5…

MALICIOUS

PDF

41.4 KB Created: 2020-08-28 10:40:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3f4f388ce21e4361c2f2094a433f38c3 SHA-1: 7f31505db40fa0d1e986878027a5da224697f355 SHA-256: 11c29abcb1d0b2e5897533973f474297ae259798171b1cbdf2b0730a1346c063
234 Risk Score

Malware Insights

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

This PDF document is designed to appear as a legitimate resource for 'Nursing scope and standards of practice'. It contains numerous links, including a critical redirector link to 'https://ttraff.cc/pify?keyword=nursing+scope+and+standards+of+practice+pdf', which likely leads to malicious content. The document also includes algorithmically generated URLs and a link farm, indicating a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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=nursing+scope+and+standards+of+practice+pdf In PDF document text
    • http://vasonexu.jessethomascomics.com/uploads/1/3/2/6/132695839/dokaj.pdfIn PDF document text
    • http://files.mitradingschool.com/uploads/1/3/2/7/132712093/buvuxikidupujomar.pdfIn PDF document text
    • http://files.nightwispdesigns.com/uploads/1/3/2/7/132740982/powowavopavele.pdfIn PDF document text
    • http://files.shaakirasharifeducationalpsychologyandtechnologyprogram.com/uploads/1/3/0/7/130739463/pasos.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/1/0435/0846/5828/files/segurana_em_tecnologia_da_informao.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3487/7850/files/l_oraison_de_saint_charlemagne.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6615/4394/files/advantages_of_autocratic_leadership.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8996/1884/files/67343072871.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7798/2626/files/serizatojuzopumeso.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8712/5927/files/kesaneped.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51686393220.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6534/3126/files/php_image_opacity.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5572/4197/files/cambridge_advanced_learner_s_dictionary_2nd_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9671/7992/files/lesumarurilagu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8073/6150/files/16155858300.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006319.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6319 5260 bytes
SHA-256: c6d28b20be0c500ad0344366dca84295143521c739af8bca6cdfd7b9d94dde57
font_01_sfnt_off0000750e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x750E 10300 bytes
SHA-256: 6b9c4e6fbb2811b2bf12c731c61a39b8119561b083c132aaa4e7c1386d1bfa76