MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF is identified as a phishing lure due to its small size and image-only content, designed to trick users into clicking embedded links. Multiple heuristics indicate it's part of a link farm hosted on disposable infrastructure, with one URL pointing to a raw IP address. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for distributing further payloads or conducting phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://smidgel.ru/uplcv?utm_term=download+kingroot+for+android+9 PDF link annotation
- http://hb-hospital.com/file_upload/fck_upfile/file/bonajoziwenobipakimu.pdfIn PDF document text
- http://studiotecnicobonoli.com/userfiles/files/wovemikiniwov.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16135db7c79241---55415940829.pdfIn PDF document text
- http://eclickapps.in/userfiles/files/gafuko.pdfIn PDF document text
- https://bandotrading.it/uploads/file/gebujorivewejunizal.pdfIn PDF document text
- https://rezilta.com/psum/admin/userfiles/file/58575662924.pdfIn PDF document text
- http://chugguwang.com/files/fckeditor/file/53282330879.pdfIn PDF document text
- http://reylab.com/userfiles/file/vokeriroda.pdfIn PDF document text
- http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/tejasobiz.pdfIn PDF document text
- http://nissanotogovap.net/uploads/images/files/3033189848.pdfIn PDF document text
- http://185.33.116.142/~bbyacht01/upload/files/69023840714.pdfPDF link annotation
- http://cn-daomeng.com/upload/userfiles/files/4eb9a6e4e77f9a8bf3e62bc928074c8c.pdfIn PDF document text
- http://pho32shabu.com/uploads/files/45560006257.pdfIn PDF document text
- http://zimmerei-possert.at/41322985899.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog/file/46410602550.pdfIn PDF document text
- http://balbu.hu/uploads/news/file/sezetojapigokapipi.pdfIn PDF document text
- https://siam-royal-view.ru/data/files/5655510282.pdfIn PDF document text
- http://educaholistica.com/resources/img/imagesck/files/kejokexufapi.pdfIn PDF document text
- http://nanoservice.cz/upload/file/kesovegisenatogeb.pdfIn PDF document text
- https://plasy.com/uploads/file/94484682247.pdfIn PDF document text
- http://tylincms.com/userfiles/files/gapogigofatap.pdfIn PDF document text
- http://demkapi.com/resimler/files/5788727403.pdfIn PDF document text
- http://xn----7sbev0bhje.xn--p1ai/images/news/file/jowikunepipoxotopanijeder.pdfIn PDF document text
- https://jodhpurtravels.com/nbloom/fckuploads/file/feduxetalulinuwalif.pdfIn PDF document text
- https://people11people.com/uploads/File/rurinotuvazedilexuruwov.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_off0000b234.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB234 | 14060 bytes |
SHA-256: a366e0f5b75557c6dcb8413ef85c56332443c0234c06ea3f6ec8c61cd07f2f5b |
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font_01_sfnt_off0000d52e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD52E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ed45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED45 | 10576 bytes |
SHA-256: 920d2eab90a3350727ee472384467d6db81404f49c2f2183fd531bef11f2ed36 |
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