MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1059.003 Windows Command Shell
T1566.001 Spearphishing Attachment
The sample is a PDF document flagged by multiple heuristics as malicious, including a critical finding for linking to known malicious redirector infrastructure. The document body contains text that explicitly instructs the user to copy and paste content into a shell context, a common social engineering tactic to trick users into executing malicious commands. This behavior aligns with the 'Windows Command Shell' technique, and the overall nature of the file suggests it is delivered as a 'Spearphishing Attachment'.
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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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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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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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://cctraff.ru/123?utm_term=kushala+daora+guide In PDF document text
- https://static.s123-cdn-static.com/uploads/4496571/normal_5fce06dcc4453.pdfIn PDF document text
- https://uploads.strIn macro / runtime command snippet
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/biwuwukesazef/detective_conan_episodes_guide.pdfIn PDF document text
- https://s3.amazonaws.com/jimugivos/migobamowovujalidute.pdfIn PDF document text
- https://s3.amazonaws.com/ronatiduzoxij/sanjay_dutt_biography.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/387afb59-9d1e-4c4a-8375-782ee7be283e/rundll32_printui.dll_printuientry_dl.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a7feeaaf-e2fa-4a76-84c3-3fb87251694e/73251763129.pdfIn PDF document text
- https://s3.amazonaws.com/sulasatevirexo/ir_spectroscopy_chemguide.pdfIn macro / runtime command snippet
- https://uploads.strikinglycdn.com/files/16c8f810-4a13-4d99-8b8f-c6e51a440c8c/godetijat.pdfIn PDF document text
- https://s3.amazonaws.com/perurulexi/zifute.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/684c9984-bf38-42b2-9ef2-5715665b594c/zagenogev.pdfIn PDF document text
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbdef4cbc819f1cf49d6ef4/1606283084955/51743912888.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc0dfc5405d5340f3296f29/t/5fc6f3cb1d106d256bb5ea3f/1606874059867/powalufutiripiriba.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bae653c0-1ad4-4789-a727-ae4e3e5d32fb/pojojixedogaguwadiz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8d7a0606-2e76-4536-8e8e-5514aead3a15/bigg_boss_11_12th_january_2018.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d2f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2F7 | 2900 bytes |
SHA-256: 10a07fc969e6c8cf41398fcfefa625e426b29a45b33f3716d0886db1405c0d2a |
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font_01_sfnt_off0000dd3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD3A | 5056 bytes |
SHA-256: 291dd91a8dfc3981cc286ee5733327342229d14a6e6f06b6e19685cd64552d0f |
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font_02_sfnt_off0000ee63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE63 | 10032 bytes |
SHA-256: 7762909a30d444c6b2365e8659871d6794c837d2e60beb832d5327d3d6373a22 |
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font_03_sfnt_off000110c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110C4 | 16296 bytes |
SHA-256: 7583f185eb70c834dbef86defd32e43bd4e629a4cef938d499cd396a3901c101 |
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