Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b32b780ac841c55…

MALICIOUS

PDF

40.3 KB Created: 2020-08-15 06:39:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a72c17579bd3bb4569b0e7094917bd18 SHA-1: 151d49f9e31274ebfeff19245131fc913db9c0fd SHA-256: 6b32b780ac841c5576a835c0d6bcfd721c9724223d3c1f7d9a26cbc518a7755b
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 flagged as malicious. The document body, though heavily obfuscated, also contains this redirector URL and a large number of other URLs, suggesting a link farm or SEO poisoning tactic. 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=ground+sheet+for+intex+pool In PDF document text
    • http://watuj.orchardviewlincolns.com/uploads/1/3/1/4/131455734/vupirijixemubew-basujazot-sunadurolos-nulesagodariv.pdfIn PDF document text
    • http://files.twistedvixencosmetics.com/uploads/1/3/0/9/130969545/0348a97ea.pdfIn PDF document text
    • http://xifebusu.i-a-m.tk/uploads/1/3/1/4/131437812/8182344.pdfIn PDF document text
    • http://files.seekingthepast.com/uploads/1/3/0/7/130775076/5639586.pdfIn PDF document text
    • http://files.anniepfluegerphotography.com/uploads/1/3/1/0/131071295/buneteviz.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/1/0430/0200/3619/files/kokorax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9641/6157/files/mechanisms_of_cardiac_arrhythmias.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4658/3976/files/after_livro_1_gratis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1690/3080/files/que_es_un_cateter_venoso_central.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1724/8672/files/gubazosipatumedewaga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9691/4586/files/66112679973.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/7804/5086/files/sukofoxegawesuzejulufeba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7153/6294/files/nonilabeverazat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0632/7959/files/neoplasia_mcq.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7727/0678/files/additive_manufacturing_book_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9780/8285/files/53584159062.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7612/4821/files/13116786750.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: florologie.com 3 samples

Related samples 2

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_off000060ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60AC 5020 bytes
SHA-256: f9e4e07fad3557545758600321daba2b427c41c8eb60d13e2cfce373be33f973
font_01_sfnt_off000071bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71BF 10112 bytes
SHA-256: 13fc7c3ae2b56dc71dfcc550f1d14b3b896a47e9de8a62abcf4a6de9ee756efd

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