MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link to a known malicious redirector infrastructure, identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The embedded URL, 'https://ttraff.ru/pify?keyword=unstable+angina+guideline+pdf', is presented in a way that suggests a document download, aligning with a phishing or malware delivery lure. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
Heuristics 4
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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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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.ru/pify?keyword=unstable+angina+guideline+pdf In PDF document text
- http://files.bunkbedconcepts.com/uploads/1/3/0/8/130874257/tufok.pdfIn PDF document text
- http://files.jazzlegaspi.com/uploads/1/3/1/4/131406086/tisinetafolulaxas.pdfIn PDF document text
- http://files.atlinhistoricalsociety.com/uploads/1/3/2/7/132712080/tewolet-mujuga-jinefozedu-lakojati.pdfIn PDF document text
- http://files.odbtr.org/uploads/1/3/0/8/130813705/bb03faf2b.pdfIn PDF document text
- http://files.cardconnectnetwork.com/uploads/1/3/1/3/131380440/mugujup.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/1/0428/7663/3247/files/bohr_rutherford_diagram_worksheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6345/1560/files/numumufamagonapefoxobu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1141/5962/files/89090242917.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/2405/4429/files/75121042664.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4349/4807/files/3082623575.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/6259/9585/files/44918734542.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8858/4605/files/31492922879.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9309/8660/files/mutotimavux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7623/1063/files/6298144268.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/8714/2819/files/19707779345.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5074/5512/files/wheater_s_pathology_atlas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/5933/9674/files/jeloredusonizebikanojasof.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_off00039df2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x39DF2 | 5016 bytes |
SHA-256: edcd41842031c507fdede8a50b584716618895b7c87b2d0deb1fd913fd364ed6 |
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font_01_sfnt_off0003af0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3AF0D | 15696 bytes |
SHA-256: d69df98f62490253a1a60a9e874e704b6b3a826f6376044ba97b6a0b96849df5 |
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font_02_sfnt_off0003e086.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3E086 | 16148 bytes |
SHA-256: 49436f94d5abf10ca6af8af9848174aab82dfe7bc58a5146411d238fd5c76648 |
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font_03_sfnt_off0003f57c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x3F57C | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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