MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though partially corrupted, includes the same URL, suggesting a phishing attempt to trick users into clicking on a link disguised as medical guidelines. The presence of embedded URLs and the ML classifier's high confidence score indicate 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.ru/pify?keyword=febrile+neutropenia+guidelines+medscape
- http://files.the450alchemist.com/uploads/1/3/2/7/132712266/xapopamolo_tidujatafojafak_nedakujamof.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0435/8035/8811/files/sipurevizovanekogukofib.pdf
- https://cdn.shopify.com/s/files/1/0433/2158/9913/files/begememugijimajopelere.pdf
- https://cdn.shopify.com/s/files/1/0430/4509/3533/files/27950337770.pdf
- https://cdn.shopify.com/s/files/1/0447/2075/0745/files/american_english_file_2_second_edition_teacher_s_book_free.pdf
- https://cdn.shopify.com/s/files/1/0433/4351/1702/files/adobe_illustrator_cs6_for_beginners.pdf
- https://cdn.shopify.com/s/files/1/0437/5547/1002/files/nutrient_agar_msds.pdf
- https://cdn.shopify.com/s/files/1/0438/9991/2344/files/adderall_bula.pdf
- https://cdn.shopify.com/s/files/1/0440/4133/9030/files/gta_v_addon_peds.pdf
- https://cdn.shopify.com/s/files/1/0432/9809/5272/files/wuzaburepew.pdf
- https://cdn.shopify.com/s/files/1/0450/4079/5806/files/bitmap_image_to_online.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_off00009d28.bin7ef5563626a08c3952006ee44f2b73dd2eb1f69aa5bf94eed407cb74cec653a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D28 | 5488 bytes |
font_01_sfnt_off0000afaf.bin3968ae78c588427450ddb8dd613fe2a5025bb0936418a6ccf63868291d3b7888 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFAF | 10272 bytes |
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