MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous external links, many hosted on disposable domains, suggesting a link farm used for phishing or malware distribution. The heuristic 'SE_URGENCY_LURE' suggests the document content attempts to create a false sense of urgency to prompt user interaction with these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://allytemp.ru/uplcv?utm_term=algorithm+mcq+questions+and+answers+pdf PDF link annotation
- http://sukhonthip.com/file_media/file_image/file/jenifotarizegizerafukep.pdfIn PDF document text
- https://karinbentum.nl/uploads/file/wubore.pdfIn PDF document text
- https://clubelsendero.com/img_pag/file/liveba.pdfIn PDF document text
- http://kammatrans.com/userfiles/files/40540392479.pdfIn PDF document text
- http://michael-dhom.com/webseiten/file/guleb.pdfIn PDF document text
- https://keralatemples.info/ckfinder/userfiles/files/majixojikemuzagobewawaxur.pdfIn PDF document text
- http://www.recko.ru/ckfinder/userfiles/files/11258446412.pdfIn PDF document text
- http://niszczeniewaw.pl/userfiles/file/23288645357.pdfIn PDF document text
- https://blokhol.com/upload/files/69244512537.pdfIn PDF document text
- http://litho-and-co.fr/ckeditor/upload/files/pamepotudodove.pdfIn PDF document text
- http://millenium.moscowfashion.net/content/xuploadimages/file/duweramuvilidurosofof.pdfIn PDF document text
- http://pincailight.com/zk/UploadFile/file/2021090817262373499.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613750d4163b8---57938863566.pdfIn PDF document text
- http://weilandensemble.nl/ckfinder/userfiles/files/vojaveruzanusinexudumimow.pdfIn PDF document text
- http://hmconcretemixingplant.ru/d/files/47157562632.pdfIn PDF document text
- https://nepaltrekkinginhimalaya.com/assets/userfiles/files/duvanokikutovamesalet.pdfIn PDF document text
- https://adurucui.com/ckfinder/files/28196883519.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/161398589b5fcc---90836409498.pdfIn PDF document text
- http://deborahkay.com/ckfinder/userfiles/files/18570544429.pdfIn PDF document text
- http://rdasesores.gestconcursal.com/editor/ckfinder/userfiles/files/vuxokerinifenawim.pdfIn PDF document text
- http://birizgardenhotel.com/userfiles/file/gegug.pdfIn PDF document text
- http://angelascanu.it/uploads/file/muxafezenogolawinodu.pdfIn PDF document text
- http://hiredriver.com/uploads/assets/files/wobegejodepajenusamowej.pdfIn PDF document text
- https://hsse.cl/files/75166395315.pdfIn PDF document text
- http://lycee-elm.info/userfiles/file/6501439539.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://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_off0000eac1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAC1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000102d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102D8 | 11380 bytes |
SHA-256: b7a4faac12d6d3799c36649a2ec07f00f26d4eb87a225d3e6b83255c76a203e5 |
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font_02_sfnt_off00011d0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D0D | 18056 bytes |
SHA-256: 3fe37c4736018debdfd0249fcc03f2da5fd37092400ed1555c24353a838adef8 |
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