MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to suspicious PDF files on various domains, indicating a link farm designed to distribute further malicious content. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests a common tactic of encrypting payloads and providing instructions to bypass gateway scanning. ClamAV detection and ML classification strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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 http://asacnfservices.com/ckfinder/userfiles/files/kivujotekakoropavojim.pdf In PDF document text
- http://wellnesszeewolde.nl/site/data/ws/files/59835910272.pdfIn PDF document text
- https://lecachet.fr/docs/files/kovejag.pdfIn PDF document text
- https://buffinvestment.com/upload/ckfinder/files/1337972688.pdfIn PDF document text
- https://tarzminder.com/resimler/files/gurepamozetowukosi.pdfIn PDF document text
- http://budka39.ru/files/xadabogabafofaxifox.pdfIn PDF document text
- https://traveletrust.com/basefile/traveletrustcom/files/kaguvogakuguwuwosu.pdfIn PDF document text
- http://backupcenters.com/userfiles/file/32213535310.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16141655ba9d6a---80924374780.pdfIn PDF document text
- https://partnyor.az/userfiles/file/bizawekoxepoberasesegoxid.pdfIn PDF document text
- http://ndc-group.ru/uploads/files/61321344970.pdfIn PDF document text
- http://www.prunay-en-yvelines.fr/ckfinder/userfiles/files/72582596131.pdfIn PDF document text
- http://sutipatika.hu/userfiles/files/15911758837.pdfIn PDF document text
- https://eastmangroup.org/ckfinder/userfiles/files/41242744762.pdfIn PDF document text
- http://expertsystemgroup.com/file_media/file_image/file/16491381514.pdfIn PDF document text
- https://nakipoglugroup.com/upload/ckfinder/files/68679814235.pdfIn PDF document text
- http://www.ddu-hk.cz/ckfinder/userfiles/files/43372292340.pdfIn PDF document text
- http://bocghebinhduong.com/media/ftp/file/kokajefojek.pdfIn PDF document text
- https://www.adoz.cz/ckfinder/userfiles/files/54782021614.pdfIn PDF document text
- http://1mosref.ru/ckfinder/userfiles/files/88602114972.pdfIn PDF document text
- http://ez-surveying.com/htdocs/cljr/data/files/paxatigagimaz.pdfIn PDF document text
- http://quetthe.com/upload/files/713595521.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=android+lock+screen+removal+download+for+pcPDF link annotation
- 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d725.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD725 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF3C | 10908 bytes |
SHA-256: a1992c7d2b8eed9be1c7470aa5d316e87b09499b24085a63af2c5f271ac2794d |
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font_02_sfnt_off00010884.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10884 | 17264 bytes |
SHA-256: b4f40eae64ac42e4d07a8c20c3f4f9ce1cea88b979e5171fcc2e89978429786e |
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