Malicious PDF — malware analysis report

Static analysis result for SHA-256 6774f38526706f93…

MALICIOUS

PDF

44.2 KB Created: 2020-08-10 07:04:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c67fb7d260752da240736f61648a5dd6 SHA-1: ef6b44a0dc04728f443f386b3403f7cba89b7de5 SHA-256: 6774f38526706f93eb03e5864d6fe97c3355f61b95503894bfbf2cfec5158ae4
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link farm designed to appear as legitimate downloads, but ultimately redirects to a malicious site. The primary redirector URL is https://ttraff.com/pify?keyword=introduction+to+psychology+pdf+file, which is flagged as malicious. This indicates a phishing or scam attempt using a lure of free content.

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=introduction+to+psychology+pdf+file In PDF document text
    • http://files.kartzinellab.com/uploads/1/3/0/7/130739116/zewuvepusikasepiloz.pdfIn PDF document text
    • http://dofix.wrinklecreative.com/uploads/1/3/0/7/130776485/taduba_bogojevula_mujurubu.pdfIn PDF document text
    • http://gulot.quantummentalfitness.com/uploads/1/3/2/3/132303374/vuxoxoruxalonufape.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/1/0431/9494/1603/files/add_blank_page_nuance.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3272/1046/files/64037282786.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9661/2768/files/lore_of_the_clans.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8656/0936/files/vce_to_converter_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5174/5442/files/rozofatizubotobajatudis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9353/2573/files/18986152718.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8683/1004/files/29411352524.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8297/3346/files/zatitas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/4656/2966/files/bhagavad_gita_15th_chapter_in_sanskrit.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5322/7936/files/rufixibek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/4708/7262/files/search_text_in_with_python.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
🗂 Part of campaign: quantummentalfitness.com 3 samples

Related samples 3

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_off00007052.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7052 5248 bytes
SHA-256: 6a357023e848f8b582063e111b990df213da6975c991fd50d81739e7d40f5745
font_01_sfnt_off00008235.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8235 9816 bytes
SHA-256: bc620f24372c2ee9de12159cb4fbb1725b80139c52962dfc732b8ffe3724a7a1

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