MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The sample is a PDF file flagged by ClamAV as a phishing trojan. It contains numerous embedded URLs, many pointing to disposable domains, suggesting a phishing or malware distribution campaign. The heuristic 'SE_LOLBIN_RUN_COMMAND' indicates potential command execution, and the ML classifier strongly suggests malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a phishing lure.
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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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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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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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://zajinet.ru/strik?utm_term=what+fell+from+the+sky+tonight+2020 PDF link annotation
- http://martans.space/kodabaruduragemewenoxuzijphhqj.pdfIn PDF document text
- http://qqkaxes.xyz/xobowefumuwavugonixunulsbiz4.pdfIn PDF document text
- https://cdn.sqhk.co/rigizisojix/bjf8Bic/13331389219.pdfIn PDF document text
- https://cdn.sqhk.co/wogebebaruro/ivTjhRA/hollywood_movies_2018_released.pdfIn PDF document text
- https://cdn.sqhk.co/kabevapixox/igiPmlo/sajibumif.pdfIn PDF document text
- http://xinupavob.iblogger.org/deraxanu.pdfIn PDF document text
- http://circus.market/31109757869sfmi0.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/59f6abec-5a43-4535-b4d9-5ee8b71f7a43/can_you_kill_an_elephant_with_a_gun.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/78f53924-23fe-40d3-8cdc-b90db4661e8b/12986043094.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a7be6248-019d-4f63-8e63-38f8870d7ad6/what_is_the_main_idea_of_the_poem_ulysses.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9b8388e8-1e0a-4d0b-b445-2f36ed1691ea/fluval_305_setup.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0419fed4-46d1-45f5-9eb1-459333758aa9/73254278472.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/63b7f938-335e-44b1-bb46-8cee9fc9f67a/wimofesezapusejuzop.pdfIn PDF document text
- http://digasima.rf.gd/muwipolafixokodajef.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09c92aed-d56a-411d-847c-17f0a653068d/how_to_conclude_your_literature_review.pdfIn PDF document text
- http://tizerusop.rf.gd/8486493239.pdfIn PDF document text
- https://s3.amazonaws.com/bolovopizonuki/rogeki.pdfIn PDF document text
- http://jeduvuvojupan.rf.gd/gipiwo.pdfIn PDF document text
- https://s3.amazonaws.com/nuselufuzo/tunugimaxuzabitu.pdfIn PDF document text
- https://s3.amazonaws.com/zifozujiwi/bushnell_neo_ion_not_charging.pdfIn PDF document text
- https://s3.amazonaws.com/resisuna/alimentacion_saludable_vegetariana.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b03c1bb6-5ebd-42b3-82fb-0c2258dd0a48/cmd_commands_for_network_password.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_off00013981.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13981 | 5636 bytes |
SHA-256: a2ba484a0563198763a3cb181a0e583e2da0de6d02a782c4befdb84ac2f099ab |
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font_01_sfnt_off00014c9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C9A | 11676 bytes |
SHA-256: 1b12e3d81b2c7ece67773f32a8b078d0c4683ca75185826b805229dbaec69a5f |
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