Malicious PDF — malware analysis report

Static analysis result for SHA-256 69339d28ebdd557d…

MALICIOUS

PDF

44.5 KB Created: 2020-08-06 08:48:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6b15f203806407aaaee051678f837b9e SHA-1: 11bd942a0e8a679c0ad9f76ed62e616ab6396178 SHA-256: 69339d28ebdd557d63efaef3f959449f822b53088dd17d526b877b9491c6fd54
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many of which point to a redirector service (ttraff.com) that is known to host malicious content. The document body, though heavily obfuscated, contains URLs that appear to be part of an SEO link farm designed to lure users with seemingly legitimate document titles. The ML classifier also strongly indicated maliciousness.

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.com/pify?keyword=theological+anthropology+a+guide+for+the+perplexed+pdf In PDF document text
    • http://files.artemisiaherbals.net/uploads/1/3/1/0/131070327/3da0bfe99697c1.pdfIn PDF document text
    • http://files.oraclefitness.com/uploads/1/3/0/7/130739826/887303.pdfIn PDF document text
    • http://files.kibafreemanart.com/uploads/1/3/1/8/131871902/6794927.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/1/0433/8515/9845/files/faked.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/79265304831.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3525/4171/files/luriwageregasadobajoro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0234/7168/files/dedojenumegovita.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1474/1413/files/89687666113.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/669297692.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4197/2646/files/60045288787.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8879/8111/files/42510373959.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2029/5064/files/bobcat_manuals.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0549/9801/files/wupozibijo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3526/1085/files/7_days_to_die_spring.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9908973296.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3161/7945/files/84832268924.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8250/5628/files/airmen_y_group_previous_year_paper.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_off0000655d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x655D 5356 bytes
SHA-256: d3a61a07964a58100b4b4641322791fb8e080a54b5b5e9a43de0ba53846a3f1d
font_01_sfnt_off000077a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77A6 14304 bytes
SHA-256: 4dc92bc43083837b98b775c98bcfac8c6025aeaccba033d0f7550859271dd261