MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was flagged by ML and ClamAV as malicious, with heuristics indicating it is a link farm on disposable domains. The embedded URLs, while numerous, do not appear to be directly malicious themselves, but rather part of a redirection scheme. The document body is heavily obfuscated and unreadable, preventing a more detailed analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 5
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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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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://huaienclinic.com/uploadpic/files/69785960252.pdf In PDF document text
- https://betamachinery.sa/other_files/File/65689713603.pdfIn PDF document text
- https://vetamblj.si/ckfinder/userfiles/files/dilugomituruwamaru.pdfIn PDF document text
- http://batterseataxi.com/survey/userfiles/files/jumifatadonogezab.pdfIn PDF document text
- http://lpxs168.com/filespath/files/20210902163644.pdfIn PDF document text
- http://woodlandhills.ilovepokebar.com/uploads/files/96130331308.pdfIn PDF document text
- http://asqcert.net/files/files/sisuxo.pdfIn PDF document text
- http://dui-antidote.com/images/userfiles/file/62310087340.pdfIn PDF document text
- http://www.hussco-steel.com/husscofiles/files/44420932872.pdfIn PDF document text
- https://saintarseny.ca/sites/saintarseny.ca/files/file/98035207177.pdfIn PDF document text
- http://www.web-globus.de/ckfinder/userfiles/files/wenuvozelejokiminagub.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/e3e1ngi4go1gd4crk1jgu029r8/vunuxadubobinajirud.pdfIn PDF document text
- http://lustigersteirer.at/userfiles/file/jumewel.pdfIn PDF document text
- http://slesnick.net/userfiles/files/42118477823.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/161413a5a87048---zesusizuvovoli.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/161366b8297046---83600487467.pdfIn PDF document text
- http://xhzhengli.com/upload/32178463692.pdfIn PDF document text
- http://altadirezione-consulting.it/userfiles/files/bepusenomolu.pdfIn PDF document text
- https://hirurgija.me/files/vopevo.pdfIn PDF document text
- http://drtamerturan.com/file/dufilajoko.pdfIn PDF document text
- http://faw-asia.com/image/upload/files/xekakotez.pdfIn PDF document text
- https://ovistar-dz.com/ckfinder/userfiles/files/ralazupibawakanejafiteb.pdfIn PDF document text
- http://portaldeaquidauana.com.br/ckfinder/userfiles/files/2937606834.pdfIn PDF document text
- https://losaltos.com/wysiwygfiles/file/sosopirajopujomuri.pdfIn PDF document text
- http://brbud.pl/userfiles/file/rubotiwuguzumi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=android+arcade+games+freePDF 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_off0000d75b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD75B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF72 | 10656 bytes |
SHA-256: 68dc36eb84513571be0bc3d76c5277c0534ffa6cd241cfabe61d77b7a1c79168 |
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font_02_sfnt_off0001079e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1079E | 17356 bytes |
SHA-256: 6791225fde9beffb38a5fe493e6762bac3f526cfffa1d9a866e427d7ce090915 |
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