MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one specifically identified as a malicious redirector. The document body, though obfuscated, contains text related to a 'catheter insertion procedure pdf' and a URL that mirrors this, suggesting a lure to a malicious site. The presence of a link farm further indicates an attempt to distribute malicious content or traffic.
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=catheter+insertion+procedure+pdf
- http://files.houstonmiddlepto.com/uploads/1/3/1/4/131406717/d4722faa.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/3866/3079/files/zuwoferapurajaxetivopa.pdf
- https://cdn.shopify.com/s/files/1/0428/6555/7671/files/acog_practice_bulletin_183.pdf
- https://cdn.shopify.com/s/files/1/0434/0957/1990/files/14564590836.pdf
- https://cdn.shopify.com/s/files/1/0430/5669/3397/files/7092642726.pdf
- https://cdn.shopify.com/s/files/1/0431/9969/2958/files/dumofovanonufewam.pdf
- https://cdn.shopify.com/s/files/1/0432/9088/6312/files/blanche_neige_texte.pdf
- https://cdn.shopify.com/s/files/1/0430/7707/5108/files/25615937400.pdf
- https://cdn.shopify.com/s/files/1/0432/5621/7750/files/14575839570.pdf
- https://cdn.shopify.com/s/files/1/0431/0528/8349/files/32580246848.pdf
- https://cdn.shopify.com/s/files/1/0430/4610/9341/files/rudozivap.pdf
- https://cdn.shopify.com/s/files/1/0433/5783/1326/files/dumuluvamonipuwagolododiw.pdf
- https://cdn.shopify.com/s/files/1/0432/3383/7224/files/insomniac_city_bill_hayes.pdf
- https://cdn.shopify.com/s/files/1/0434/9159/0308/files/actionscript_3_game_tutorial.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_off00007543.bin604e18f9879522c9f2aaf5e6ad22feb25b24b9784a03111a4bf5f2685c8127b5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7543 | 5116 bytes |
font_01_sfnt_off000086a0.binbdf3d40d23f3a950206f199bd62e2b595c885b8489870c01b3016d1e7f77d6a2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86A0 | 10376 bytes |
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