MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF file contains numerous external links, including one to 'https://gimoguvi.ru/strik?utm_term=casio+alarm+chrono+wr+lithium', suggesting a phishing or link-farming attempt. Heuristics indicate a large number of external PDF links and a ML classifier flagged it as malicious. The presence of 'curl_of_a_vector_field_in_physics.pdf' and other suspicious URLs points towards the document being used to redirect users to potentially malicious content or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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External URI info PDF_URIPDF contains an external URL action
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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://gimoguvi.ru/strik?utm_term=casio+alarm+chrono+wr+lithium PDF link annotation
- https://cdn-cms.f-static.net/uploads/4463034/normal_603775ffa512c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467975/normal_60412af5dc7f8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453105/normal_600fd2963b39d.pdfIn PDF document text
- https://fuwewarudizikip.weebly.com/uploads/1/3/4/6/134644733/fowazamaxaruboxelap.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465262/normal_6040ef27decf9.pdfIn PDF document text
- https://jonomivebotuw.weebly.com/uploads/1/3/4/6/134683751/64234f7e24478.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413361/normal_6052ed9015a8d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4501054/normal_60592c02262d4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418171/normal_60399f014454e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375071/normal_5fe6c55bd49dd.pdfIn PDF document text
- https://cdn-cms.f-statIn macro / runtime command snippet
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/71f815f2-0c0d-4215-9d94-54a90f889634/sniper_captain_phillips.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea67b1d0-25b1-4fcf-a7a8-3a88e853e557/vector_calculus_problems_with_solutions.pdfIn PDF document text
- http://ramenejepom.rf.gd/jazzy_select_6_ultra_parts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0a082d0b-8f0d-46ff-81c8-9c67468e4215/66345372395.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9806ff35-5fda-43bb-be36-9c82c1839bf5/13253572596.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09f8819e-b73f-43ed-af07-8245b4118819/guxageg.pdfIn PDF document text
- http://tivewigaviris.rf.gd/where_d_you_go_bernadette_2019_online_sa_prevodom.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8a7e38ae-053b-417a-a433-b4a5fb4dad2b/which_branch_of_engineering_is_best.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/82baae2f-4870-4f0b-a446-4341943784fd/what_is_curl_of_a_vector_field_in_physics.pdfIn PDF document text
- http://sufumawug.epizy.com/lulesesemawusitavajila.pdfIn macro / runtime command snippet
- https://uploads.strikinglycdn.com/files/ffbe72e7-d229-4924-8110-913f389309aa/how_to_trade_forex_step_by_step.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a1c799b8-411e-466a-8065-400a055965f7/91966613774.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_off0000f532.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF532 | 5036 bytes |
SHA-256: cecdc239918be8bee855bf013429f033ddc9c152fc1de61f1e8b2b621d2c948b |
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font_01_sfnt_off00010630.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10630 | 11344 bytes |
SHA-256: b8a98483895a1b9c85904b2652c653c93d40c246f314babe6d92d7fca1a27489 |
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