MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF employs an image-based lure, a common tactic for phishing or malware delivery. It contains numerous external URIs, including one pointing to 'crysiq.ru', suggesting a redirection or download attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely involving the execution of embedded JavaScript to facilitate further compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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 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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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://crysiq.ru/uplcv?utm_term=little+alchemy+2+myths+and+monsters+mod+apk PDF link annotation
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/0f5ae248e9bf4a7e617bf8d0d91bf276/22482742455.pdfIn PDF document text
- https://pleasanton.com/wysiwygfiles/file/sizekiju.pdfIn PDF document text
- http://apartamentykunickiego.pl/architekci/public/upload/ckfinder/userfiles/files/zoguzotusefulamotewude.pdfIn PDF document text
- https://mayphotocopydogia.com/upload/files/84513198746.pdfIn PDF document text
- http://yyfxsw.com/upload/files/voxivixetunik.pdfIn PDF document text
- https://1snrpaulista.com.br/ckfinder/userfiles/files/kuvugu.pdfIn PDF document text
- https://littleitalypizzany.com/nbloom/fckuploads/file/41685698726.pdfIn PDF document text
- https://arteziano.ru/ckfinder/userfiles/files/85583165915.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138db6907158---lorudekagopaboxuradi.pdfIn PDF document text
- http://dywin.com/uploadfile/files/riwedekuperaxatan.pdfIn PDF document text
- http://faw-asia.com/image/upload/files/95447480311.pdfIn PDF document text
- http://fincasotilloviejo.es/files/sotillo/_repo/file/53652186290.pdfIn PDF document text
- https://navliecky.net/userfiles/file/kusutopebenilemiwesezedut.pdfIn PDF document text
- http://otczenacts.com/media/files/33912639278.pdfIn PDF document text
- https://oreopay57.com/ckfinder/userfiles/files/80645908371.pdfIn PDF document text
- http://bkm-market.net/userfiles/file/82716857530.pdfIn PDF document text
- https://cosonnguyenthanh.vn/webroot/userfiles/files/bozatuzo.pdfIn PDF document text
- https://divanich96.ru/admin/ckfinder/userfiles/files/gifaliwomaxozojasazotuzux.pdfIn PDF document text
- https://ikuseikyokai.jp/ckmedia/files/60052613256.pdfIn PDF document text
- https://nevjegyzek.eu/uploads/file/90266736242.pdfIn PDF document text
- https://webmedcentralplus.com/userfiles/file/96821383803.pdfIn PDF document text
- https://cosplay-expo.it/ckfinder/userfiles/files/23694672356.pdfIn PDF document text
- https://vinaarc.com/app/webroot/files/ckfinder/userfiles/files/gokibul.pdfIn PDF document text
- http://vitalbafitnessclub.eu/userfiles/files/90111889448.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_off0000adf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADF7 | 11064 bytes |
SHA-256: a5f24bd8875226fd1dec7411efaa9a92c4d95c38eb596d847056677d2cfa3618 |
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font_01_sfnt_off0000c79f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC79F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000dfb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFB1 | 14224 bytes |
SHA-256: afaa3bf92542054c20cda76c8d170b5f705af13bc2fc719e94a98845857e672f |
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