MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains heuristics indicating it is a link farm and a lure for clipboard command execution. The ML classifier strongly flagged this PDF as malicious. The presence of external URIs and the specific heuristic 'SE_CLIPBOARD_COMMAND_LURE' suggest the document's intent is to trick the user into executing commands, likely to download and run a secondary payload. The ClamAV detection further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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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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://inwebjor.ru/pbw?utm_term=free+bootloader+apk
- https://static.s123-cdn-static.com/uploads/4455916/normal_5ff94d79d1f09.pdf
- https://cdn-cms.f-static.net/uploads/4481273/normal_5fe654af285ce.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://vafakana.pbworks.com/f/44161762073.pdf
- https://uploads.strikinglycdn.com/files/c90afecf-e0f6-4494-9679-849096a0b04d/machine_learning_explained_ppt.pdf
- http://mutoteja.pbworks.com/w/file/fetch/144521913/xogadimaxugefimo.pdf
- http://zuwofig.pbworks.com/f/91938926868.pdf
- https://uploads.strikinglycdn.com/files/fcdbf716-8aa8-437b-9841-40119a8aff02/estructura_6.1_saber_and_conocer_worksheet_answer_key.pdf
- http://wefolevemud.pbworks.com/w/file/fetch/144438027/algebra_y_trigonometria_sullivan_novena_edicion_solucionario.pdf
- http://wojipag.pbworks.com/f/54145092979.pdf
- http://gegoxelaw.pbworks.com/w/file/fetch/144687129/98291069843.pdf
- http://wabiwepakeg.pbworks.com/w/file/fetch/144708420/the_courage_to_be_disliked_main_points.pdf
- http://jobagej.pbworks.com/w/file/fetch/144572118/gta_5_kurulumsuz_indir_windows_7.pdf
- http://vugufosenene.pbworks.com/f/how_do_i_activate_my_att_personal_hotspot.pdf
- http://funuvutidip.pbworks.com/f/mitutolivuxivija.pdf
- http://deduxofevit.pbworks.com/w/file/fetch/144664233/autodesk_3ds_max_2018_xforce_keygen_download.pdf
- http://lururefisu.pbworks.com/f/15999384735.pdf
- http://rawumadakora.pbworks.com/w/file/fetch/144751737/adjustment_disorder_with_mixed_anxiety_and_depression_dsm_5.pdf
- http://wotasaful.pbworks.com/w/file/fetch/144678438/como_transferir_musica_iphone_para_iphone.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e6c9.bin5ef307d4a658db3046501f4bd32caaf45453634ae7b9ef1d4313d0a34ffe4258 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6C9 | 4932 bytes |
font_01_sfnt_off0000f79d.binc70596545b1fa96f69f6e177729bafa47978c385f4c2c5933dbc49fe3ed5be2b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF79D | 10856 bytes |
font_02_sfnt_off00011ceb.binc988415812f594187b0a0ed75dc52802e798e1695b49bd300f8412a65040a449 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CEB | 16204 bytes |
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