MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links to known malicious redirector infrastructure, specifically `https://dafemum.ru/strik`. The document body, though heavily obfuscated, suggests a lure related to a 'Pentair minimax nt 400 service manual'. The presence of numerous links to disposable hosting and the ML classifier's high confidence score indicate a malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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 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/strik?utm_term=pentair+minimax+nt+400+service+manual In PDF document text
- http://luxomozuk.mypressonline.com/radiation_heat_transfer_modest.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473030/normal_5fcbc6b4f11e3.pdfIn PDF document text
- https://rezibaxuxemabu.weebly.com/uploads/1/3/1/4/131453555/916daf956ec3a7d.pdfIn PDF document text
- http://fobexugelego.getenjoyment.net/kung_fu_tea_gift_card.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388820/normal_5fed7ef5d23fd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409411/normal_6031f2ac5c226.pdfIn PDF document text
- https://vitekasawo.weebly.com/uploads/1/3/4/4/134456264/robezu_bowalugedebopad.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379732/normal_6011f74212f8e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386084/normal_5fda47210fd29.pdfIn PDF document text
- https://vifutezovabul.weebly.com/uploads/1/3/1/4/131408528/4994408.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485436/normal_5ff0afde9ba8d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4486363/normal_60249539bc7b2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481278/normal_5fd9732f228eb.pdfIn PDF document text
- https://gekaketiba.weebly.com/uploads/1/3/1/4/131455198/5f0155b.pdfIn PDF document text
- http://tokexal.medianewsonline.com/crochet_for_absolute_beginners_granny_square.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386333/normal_600a262744ff5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4385631/normal_5fc57506d2c73.pdfIn PDF document text
- http://faxusigeroles.sportsontheweb.net/que_significa_avaro_segun_la_biblia.pdfIn PDF document text
- http://wewogokuwidu.mywebcommunity.org/safety_first_car_seat_installation.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/tezude/cdd_beneficial_ownership_certification_form.pdfIn PDF document text
- https://s3.amazonaws.com/pusolefosex/50648504475.pdfIn PDF document text
- http://wifofevowogak.onlinewebshop.net/pedisutosimexuvovifonu.pdfIn PDF document text
- https://s3.amazonaws.com/sitozi/7818234407.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://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eaac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAAC | 5076 bytes |
SHA-256: 04bcde6d7dab6e2617ec15f25a1b357feb899d7d04734f1c0b0b31dac557d7ca |
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font_01_sfnt_off0000fbca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBCA | 13712 bytes |
SHA-256: 6f02309e193e022ef93a2a62811326e3575d8aa995cdabf4461c5072c99d9dc9 |
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font_02_sfnt_off000121e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121E1 | 10708 bytes |
SHA-256: 1a2da0da08f0f3ad82a0bd2466e01ee96ced383ed07c9ca297aa624c79cf3abb |
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font_03_sfnt_off0001468a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1468A | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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