MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document contains numerous external URIs, many hosted on disposable domains, suggesting a link farm or phishing lure. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document may be instructing users to open a password-protected archive, a common tactic to bypass gateway security. The presence of embedded JavaScript, though not explicitly detailed in the provided evidence, is a common method for exploiting PDF vulnerabilities or initiating further malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://maypoin.ru/123?utm_term=ver+assassin%2527s+creed+gratis PDF link annotation
- https://pugotaba.weebly.com/uploads/1/3/5/3/135302821/3792065.pdfIn PDF document text
- http://kulibakux.iblogger.org/78989973392.pdfIn PDF document text
- http://novajivalokade.22web.org/mammals_reptiles_birds_worksheet.pdfIn PDF document text
- http://qlemelest.online/95607036288l4nfg.pdfIn PDF document text
- http://nextauto02.ru/31068093687ec2qg.pdfIn PDF document text
- http://hookup157.site/it_security_manual80ov1.pdfIn PDF document text
- https://cdn.sqhk.co/sujubowip/04jggcW/hide_and_seek_2019_movie_spoiler.pdfIn PDF document text
- http://instasale.company/photosync_transfer_and_backup_photos_videosszzal.pdfIn PDF document text
- https://vejilete.weebly.com/uploads/1/3/5/3/135312445/a0ecb9.pdfIn PDF document text
- https://nabaladeso.weebly.com/uploads/1/3/1/4/131438379/xesofobogek-wuveju-mazinoleputelo.pdfIn PDF document text
- http://limons.space/56638609922mmdkh.pdfIn PDF document text
- https://beponelife.weebly.com/uploads/1/3/1/1/131164358/dunogomokazow-madoluwavi-gipozasoralosix.pdfIn PDF document text
- https://cdn.sqhk.co/xekejegixawo/jib2jiI/mx_player_codec_armv7_neon_download_apk.pdfIn PDF document text
- http://bcpzon4segurabetaviabcp.com/insert_data_into_hive_table_manually8sxct.pdfIn PDF document text
- http://air-calm2.club/599056822458zrbi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/zijivevip/vaxixod.pdfIn PDF document text
- http://voniziveput.rf.gd/gebasekubox.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
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d2c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2C0 | 6744 bytes |
SHA-256: ffeb89eaad713c9717385028f79c9757067aafb2c2382ea8cbab0e6efe35a425 |
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font_01_sfnt_off0000e3a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A8 | 5072 bytes |
SHA-256: 68b50f31fc28eee480ff46ee2a4fa8695e808cc3174b2f6578e85d852d0d948f |
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font_02_sfnt_off0000f500.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF500 | 10972 bytes |
SHA-256: abe4ec751a5252b7784c686a632f581981bf2f21eac4c26e4373ad62cd76c6ff |
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