MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1204.002 Malicious Link
The PDF contains numerous external links, many of which are SEO-optimized and point to potentially malicious content, as indicated by the 'PDF_SEO_LINK_FARM' and 'ML_NYX_PDF_MALICIOUS' heuristics. The document body, though heavily obfuscated, suggests a lure related to an 'Adobe pdf maker error', likely a social engineering tactic to trick users into clicking malicious links. The 'SE_CLICKFIX' and 'SE_SECURITY_BYPASS' heuristics further support a malicious intent to trick users into executing commands or disabling security measures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
Heuristics 7
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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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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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://jacksth.ru/award?keyword=adobe+pdf+maker+error
- http://jologedeb.getenjoyment.net/leadership_theory_application_skill_development_free.pdf
- http://dujojiwasemob.mywebcommunity.org/76812345888.pdf
- http://bagesopabiwub.scienceontheweb.net/rebisokowabe.pdf
- https://fudanologakobur.weebly.com/uploads/1/3/5/3/135394175/a1e7a90cf.pdf
- https://vukezozonobobex.weebly.com/uploads/1/3/1/3/131383599/zudugavitazugaxamel.pdf
- https://bujupovira.weebly.com/uploads/1/3/4/4/134472582/ladegibemulopa_dodaju_fawar_gexilufuzepijez.pdf
- https://rovonowevon.weebly.com/uploads/1/3/6/0/136051941/6392025.pdf
- https://varusimutajol.weebly.com/uploads/1/3/4/5/134502614/4859616.pdf
- http://xuxijosut.sportsontheweb.net/acupuncture_points_for_sleep.pdf
- http://xukosususif.medianewsonline.com/backstepping_controller.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/mexavofezoxi/flow_meter_measurement_lab_report.pdf
- https://a43ab9c2-5efb-4cee-ac06-b782a0f5e207.filesusr.com/ugd/4826f5_107a375850f742fcaa839858e9a87731.pdf?index=true
- http://xobibaga.myartsonline.com/genuwekexitu.pdf
- https://a35aa970-3e4e-4c20-be1f-53d10001bce9.filesusr.com/ugd/af4e73_b7b09dffea7e47dcbf9c7fdd9844be9c.pdf?index=true
- https://s3.amazonaws.com/pekatikisuruki/three_addends_worksheet.pdf
- https://s3.amazonaws.com/wixamupelinere/wfaa_dallas_reporters.pdf
- https://s3.amazonaws.com/voxipanovigepiv/difekuvu.pdf
- https://s3.amazonaws.com/pukiza/27120870461.pdf
- https://87c8fc71-818b-4167-bf0d-2ac3bc49ffd1.filesusr.com/ugd/f9d4cd_ceca56ec15fa447596e6b8fd6add36fa.pdf?index=true
- https://0a3c8164-ddd9-4522-8472-457ce31ece15.filesusr.com/ugd/d32f78_0fc05c8df1c349b898cd2576623dd1ce.pdf?index=true
- http://loxupobupibim.atwebpages.com/combined_gas_law_sample_problems_with_solutions.pdf
- https://s3.amazonaws.com/dupula/irobot_roomba_960_robot_vacuum_walmart.pdf
- https://s3.amazonaws.com/nilafafakem/18101607099.pdf
- https://s3.amazonaws.com/numunenoji/89983842238.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e74e.bin0d5be60fe202f0379a803a1958804c68c9c462535eb174893711919b551ba95f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE74E | 4724 bytes |
font_01_sfnt_off0000f751.bineab0dd1c515a7c2d6c07a57df2d70a604343d2b28908cc28276f740e0be43548 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF751 | 10680 bytes |
font_02_sfnt_off00011c03.bina95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C03 | 16204 bytes |
font_03_sfnt_off00013130.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13130 | 4324 bytes |
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