MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though partially obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=heart+failure+management+guidelines+2018', which is a known malicious redirector. The presence of numerous other PDF links suggests a link farm or SEO poisoning attempt, further indicating malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
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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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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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=heart+failure+management+guidelines+2018
- http://files.bikewashtenaw.org/uploads/1/3/1/0/131070207/togusidusokuj.pdf
- http://files.vomhiddencreek.com/uploads/1/3/1/6/131606127/kukuko.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/6890/6906/files/poporegagulonigopefuwe.pdf
- https://cdn.shopify.com/s/files/1/0433/9033/7189/files/befegurazikikomibolok.pdf
- https://cdn.shopify.com/s/files/1/0462/9053/4561/files/29844438076.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bagubiginapir.pdf
- https://cdn.shopify.com/s/files/1/0430/2720/2205/files/40962782915.pdf
- https://cdn.shopify.com/s/files/1/0434/5485/7369/files/a_practical_course_in_british_english_pronunciation.pdf
- https://cdn.shopify.com/s/files/1/0429/1674/1286/files/36206441296.pdf
- https://cdn.shopify.com/s/files/1/0431/3792/5269/files/91361311882.pdf
- https://cdn.shopify.com/s/files/1/0431/4575/6833/files/gevona.pdf
- https://cdn.shopify.com/s/files/1/0431/6400/8610/files/lekedenij.pdf
- https://cdn.shopify.com/s/files/1/0436/1093/1358/files/fumagagoxumevibufi.pdf
- https://cdn.shopify.com/s/files/1/0452/2449/3213/files/9742942184.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000707a.bind24374a02b9ad8b7b6ccf97b26c5ed1124984da8f22c27c97ee9915a2ab9d351 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x707A | 5708 bytes |
font_01_sfnt_off000083c1.bineae8d610ec566a6b745b482d8e61723db4b9ecc10f7fd3b8c3b5c9346a7b46fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83C1 | 10372 bytes |
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