MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to disposable hosting, and one critical link to a known malicious redirector. The document body, though heavily obfuscated, appears to be a lure related to a medical device manual. This suggests the PDF is designed to redirect users to malicious sites for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://dafemum.ru/wix?keyword=philips+respironics+remstar+system+one+manual In PDF document text
- https://cdn.sqhk.co/gizukakom/LFjajjL/37116191785.pdfIn PDF document text
- https://jifalefowa.weebly.com/uploads/1/3/4/7/134733665/tibijiwiputuki_zipimunawarelam.pdfIn PDF document text
- https://dutajidadu.weebly.com/uploads/1/3/4/7/134730474/fivigatiseze.pdfIn PDF document text
- https://xuvakaxatal.weebly.com/uploads/1/3/1/0/131070170/ditalog.pdfIn PDF document text
- https://cdn.sqhk.co/numiwuzuwix/ieicwia/zeforajetivezewiv.pdfIn PDF document text
- https://cdn.sqhk.co/molavagew/cginjcb/bubble_bobble_evolution_psp_gameplay.pdfIn PDF document text
- https://petabururumeje.weebly.com/uploads/1/3/4/9/134902787/8545530.pdfIn PDF document text
- https://cdn.sqhk.co/guletema/cGlmrgd/tattoo_aftercare_form_uk.pdfIn PDF document text
- https://desudesukijowa.weebly.com/uploads/1/3/6/0/136033838/miluvu.pdfIn PDF document text
- https://tabupuja.weebly.com/uploads/1/3/4/6/134647436/kiwumugokibur.pdfIn PDF document text
- https://mubazujozij.weebly.com/uploads/1/3/4/7/134705676/2323396.pdfIn PDF document text
- https://cdn.sqhk.co/seseniluvus/ggcggvS/kinokibatesawobojurawagej.pdfIn PDF document text
- https://cdn.sqhk.co/nuduniguwufo/DRLibEN/84870806386.pdfIn PDF document text
- https://vedirivokezijil.weebly.com/uploads/1/3/4/1/134108565/gabitomivuda.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://dbb1fad9-9c05-458f-9e32-bc0b7f65d7ec.filesusr.com/ugd/451461_2c72c05c4fb7488f89ebeacccd83be69.pdf?index=trueIn PDF document text
- https://34e51215-b586-4e01-b3ea-a219475a7b91.filesusr.com/ugd/46481b_c35fedad13164332b2e7e96e6f6acad6.pdf?index=trueIn PDF document text
- https://3d5b2cfc-74f5-4c02-8466-0d369b02955c.filesusr.com/ugd/69b86f_02db4177e0dd416eb9836bf578f44bae.pdf?index=trueIn PDF document text
- http://vizulubafaxal.epizy.com/kokawuletopunen.pdfIn PDF document text
- http://gazezubutajon.rf.gd/dibeterurasojitid.pdfIn PDF document text
- http://munowesixebo.rf.gd/concentration_problems_chemistry_worksheet_answers.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00015fa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15FA0 | 5276 bytes |
SHA-256: f789c4e4160aa63e46f5ead504bb975ca1b517914bdd76470e83da2bb3b8daa8 |
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font_01_sfnt_off00017167.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17167 | 11532 bytes |
SHA-256: 6bd3b62c7283140e1c07c173905eb3dafc89854c6673043d341e3193c11670a3 |
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