MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirection and a link farm, pointing to a phishing attempt disguised as a document download. The embedded URL 'https://ttraff.com/wb?keyword=human%20gene%20therapy%20pdf' is identified as a malicious redirector, likely leading to a phishing page. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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/wb?keyword=human%20gene%20therapy%20pdf In PDF document text
- http://files.faithkingwriter.com/uploads/1/3/1/8/131856186/7603818.pdfIn PDF document text
- http://files.raveim.org/uploads/1/3/0/7/130738850/1445e966cdf1c.pdfIn PDF document text
- http://files.jackienorman.com/uploads/1/3/1/8/131860787/xewaguxevaxo_xarak.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0433/4256/1433/files/54333155374.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tedogunugovosilogupex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/3196/2535/files/avast_license_key_2038.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8110/4541/files/sosunutulokutowilosokubev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5161/3334/files/learning_german_books.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6100/9829/files/14257737525.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1307/8168/files/3_point_hitch_backhoe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9281/1669/files/modavelex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/40429789840.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/9391/6837/files/pan_african_university_scholarship_2020_19_results.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/1368/4891/files/damusinudorabok.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
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00016cce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16CCE | 5032 bytes |
SHA-256: cceb34a3e31694345f2f21fd889d7994699466282ebd439ba96e326e4beb17d4 |
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font_01_sfnt_off00017db5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17DB5 | 13316 bytes |
SHA-256: b2d04c42d5ec385849b1dacb3c0992c66c8b131b8719a82e588196b53b70e4f5 |
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font_02_sfnt_off0001a90b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A90B | 16092 bytes |
SHA-256: ee796b0d072c3da784915329e3d40b60a5f3ef2e5e1937d62fc4d7a384cee729 |
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font_03_sfnt_off0001bdba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BDBA | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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