MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious due to a high number of embedded external links, forming a link farm. One of these links, 'https://ttraff.cc/pify?keyword=cardiovascular+agents+pdf', points to known malicious redirector infrastructure. The document body contains garbled text but also repeats the malicious URL, suggesting a lure to trick users into clicking the link. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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.cc/pify?keyword=cardiovascular+agents+pdf In PDF document text
- http://togaxekuz.obchaymarket.org/uploads/1/3/0/7/130738732/kapereses-buwemuriw.pdfIn PDF document text
- http://files.scottkaplanphd.com/uploads/1/3/1/4/131483110/3705741.pdfIn PDF document text
- http://files.zenprovcomedy.com/uploads/1/3/1/3/131380063/zaxigabikatan.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/1/0434/2651/3048/files/telumulewa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/8983/6697/files/vokari.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8917/4432/files/34330415395.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/3706/3328/files/shrink_a.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/2833/3219/files/zofirazupojopojebor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/6895/4526/files/error_invalid_active_developer_path.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/1060/3677/files/4392817066.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3099/4326/files/mitifowapof.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6982/3390/files/70437984396.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/7382/2102/files/cornlius_castoriadis.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nalajenoderemomepofelefa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8016/3232/files/educacin_y_neoliberalismo_en_mxico_jaime_ornelas_delgado.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3773/6608/files/health_and_wellness_11th_edition_free.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009d3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D3C | 5012 bytes |
SHA-256: 160f76826cecc168faeccba3cfe4a44dfdd21b3111cad0116e42bfe0a76e4a59 |
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font_01_sfnt_off0000aea1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEA1 | 5288 bytes |
SHA-256: 7c5ba786a1a83fbb45522388f585c102a7e6b67283b17b05c6087c5cf44b0024 |
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font_02_sfnt_off0000c0b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0B6 | 15644 bytes |
SHA-256: 47f58b39fe7d658f7e673d7973bfc8b2125cd4c9e05d76b0df71ab0dde4d6c42 |
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font_03_sfnt_off0000f13b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF13B | 16148 bytes |
SHA-256: ebaa9d42c58e3fd25c8264bcf4ef2319fee467c92cf53dcc1f377a20fc8d39b0 |
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font_04_sfnt_off00010633.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10633 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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