MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains embedded JavaScript and is flagged by heuristics as an image-only document with an action trigger, a common phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely facilitates the execution of malicious actions, such as downloading a second-stage payload or redirecting the user to a malicious website via the numerous extracted URLs.
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://cructi.ru/uplcv?utm_term=11th+bio+botany+tamil+medium+book PDF link annotation
- http://studiotecnicopetrillo.eu/userfiles/files/jibemudugepupomevokudivuz.pdfIn PDF document text
- http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/sepogadupigexugujegitud.pdfIn PDF document text
- https://rt-totaalafbouw.nl/userfiles/file/salifogaravoviloge.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/31143342429.pdfIn PDF document text
- http://koyomisushi.com/uploads/files/miwixuzinibomopa.pdfIn PDF document text
- http://myxroad.net/upload/userfiles/file///dubodafafuluke.pdfIn PDF document text
- https://laundrybyconrads.com/nbloom/fckuploads/file/21069681738.pdfIn PDF document text
- http://conomiya.com/images/uploadedimages/file/mavumuxisikotudorowegev.pdfIn PDF document text
- http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/tuxidexiboluros.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614073a0a0e97---70862340188.pdfIn PDF document text
- http://hasicimosnov.cz/foto/Image/file/jigewabesawika.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/77b8b4a2b096fd72003774b0c881ee14/4804841545.pdfIn PDF document text
- http://cesishotel.com/res/wysiwyg/file/21357805863.pdfIn PDF document text
- https://penzion-palice.cz/content/mojatinutibidebeletadi.pdfIn PDF document text
- http://inwama4.vn/webroot/img/files/33127919310.pdfIn PDF document text
- http://zap-interactive.com/uploads/files/vewelufojo.pdfIn PDF document text
- http://jingyitech.com/uploadfile/nimunudirokifobe.pdfIn PDF document text
- http://klhl.com/userfiles/file/pagiporibowuzidi.pdfIn PDF document text
- http://gulfcoastlist.com/userfiles/file/labebat.pdfIn PDF document text
- https://bibliotheque-des-arts.com/ckfinder/userfiles/files/56881757007.pdfIn PDF document text
- http://houtackers.nl/userfiles/file/torivifajubexikov.pdfIn PDF document text
- https://aljuboori.com/userfiles/files/64862773930.pdfIn PDF document text
- https://webtechnocrats.com/upload/file/61306585904.pdfIn PDF document text
- http://coverybox.box8websites.com/ckfinder/userfiles/files/61823643989.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_off0000b1c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1C2 | 10644 bytes |
SHA-256: 7da7ad16a2158b963c1e9795ee6da07247b768b32dcb5f552fcba4acc298012a |
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font_01_sfnt_off0000c9ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9EA | 14088 bytes |
SHA-256: 272eaa419413253f81b6ad5244c545f4ad89c0f74e0fa66729f303a1f63a83cf |
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font_02_sfnt_off0000ecf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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