Malicious PDF — malware analysis report

Static analysis result for SHA-256 04cad85021eee951…

MALICIOUS

PDF

102.7 KB Created: 2020-08-05 11:55:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c4044746f40f71dc6f12e6e900312e2e SHA-1: 793d8448d3de51e78f8fff93997b94db4da65d7f SHA-256: 04cad85021eee9510aff0cdc4c5c1867a55ae889baa83f74521bffc0b12b45fc
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, specifically a URL designed for SEO spam and phishing. The document body, though heavily obfuscated, contains a reference to the same redirector URL. This indicates an attempt to lure users into downloading potentially harmful content by promising a solutions manual.

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=fundamentals+of+cost+accounting+6th+edition+solutions+manual+pdf In PDF document text
    • http://files.thefinishdepot.com/uploads/1/3/1/3/131398006/nofifevoxopunedejalu.pdfIn PDF document text
    • http://files.westofthemissouri.com/uploads/1/3/0/8/130814630/paluxunawefom.pdfIn PDF document text
    • http://files.lakecountyiltransition.com/uploads/1/3/0/7/130739154/775147.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/1/0432/8642/9861/files/zivabinoxewifewedibevo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/40948382406.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6167/4133/files/fifus.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2977/3982/files/38069173529.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3005/2005/files/40316716586.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9674/4871/files/www_notdoppler_comn.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0003/5485/files/10819640220.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9925/1097/files/alternating_current_circuits_by_corcoran_4th_edition_solution.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0360/1308/files/90041984737.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rofan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4117/7248/files/16026791703.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000137f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x137F2 5580 bytes
SHA-256: 2293a98e5517e718f4493d68783bf8a4a15c41e1526beb1bc626c8fb94603f7e
font_01_sfnt_off00014ad1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14AD1 14136 bytes
SHA-256: 9fad5c143f2c81f2940cedd9cc1dee17dcfe6671d269730c301876c5673d22f9
font_02_sfnt_off0001778e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1778E 16204 bytes
SHA-256: 532315dfdc59b350d447ad91845dd8cc72a836e684f536ab9a4305dc5b53fb8e

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