MALICIOUS
146
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, typical of a screenshot used to hide clickable links. The heuristic PDF_IMAGE_LURE and the high ML score strongly indicate malicious intent. The document contains numerous embedded URLs, with http://lyzph.com/userfiles/file/Fl202109111247348377.pdf being a primary example of a potential landing page for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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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 69 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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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://lyzph.com/userfiles/file/Fl202109111247348377.pdf In PDF document text
- https://aldapa.eus/files/galeria/files/liwetibotide.pdfIn PDF document text
- https://avenue102.com/uploads/file/72871497149.pdfIn PDF document text
- https://liantoong.com/archive/upload/files/wuvaturepelonugulekamaw.pdfIn PDF document text
- http://schokozentrale.de/idata/saxenezujofetazefox.pdfIn PDF document text
- https://sapporomn.com/userfiles/files/9126032184.pdfIn PDF document text
- http://cungcapbaoduongcuanhatban.com/upload/files/36180086781.pdfIn PDF document text
- http://nawoo.net/userData/board/file/dalamujajijutosaxudak.pdfIn PDF document text
- http://kimyasaldubeller.com/upload/ckfinder/files/muzemuvawolurufagokonuro.pdfIn PDF document text
- https://toananhmedical.com/uploads/files/23518204314.pdfIn PDF document text
- http://dakdekkersindex.nl/images/uploads/37371865751.pdfIn PDF document text
- https://www.wizzfizz.com.au/application/third_party/ckfinder/userfiles/files/84003678650.pdfIn PDF document text
- http://hyunshin.net/userfiles/file/52438217741.pdfIn PDF document text
- http://jinsonmetal.com/Upload/file/vobesi.pdfIn PDF document text
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b82de8d727---galow.pdfIn PDF document text
- https://getracemirates.com/userfiles/files/naxapikinuzedexixuzel.pdfIn PDF document text
- https://architektor.ru/uploads/file/15477466921.pdfIn PDF document text
- https://panificioilcavaliere.it/userfiles/files/warononaxen.pdfIn PDF document text
- https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/70977165322.pdfIn PDF document text
- http://metamorfozyayincilik.com/userfiles/file/gafarijetolaviwerobe.pdfIn PDF document text
- https://osiindia.org/ckfinder/userfiles/files/56823088856.pdfIn PDF document text
- http://china-engine.net/ckfinder/userfiles/files/vetisogebagimas.pdfIn PDF document text
- http://polymer-optix.de/userfiles/file/3293164261.pdfIn PDF document text
- https://www.caissedesecolesdu5eme.fr/backoffice/ckfinder/userfiles/files/98961576931.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=sum+rule+derivatives+examplesPDF 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_off0000b2f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2F0 | 10672 bytes |
SHA-256: 854b7783d388b32e22ec85c90c75441071ec38c2b69e26fe59eb79ce1d6fbf33 |
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font_01_sfnt_off0000cb6d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB6D | 14200 bytes |
SHA-256: 886183f30f7008c714ed09093129a5eb4292e74de29a9548b3d0304be5e9aa5f |
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font_02_sfnt_off0000ee69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE69 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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