MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing lure. It contains an image-based interface with a clickable action, typical for tricking users into visiting external URLs. The document body is heavily obfuscated, but the presence of numerous embedded URLs, many pointing to disposable domains, strongly suggests a phishing or redirection campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://krisoc.ru/uplcv?utm_term=21+guns+meaning+song PDF link annotation
- http://bjxbw.cn/userfiles/file/22156123338.pdfIn PDF document text
- http://kuwaited.com/cote_dor_import/admin/ckfinder/userfiles/files/85563244655.pdfIn PDF document text
- http://turinhotelcompany.com/userfiles/files/gofopekitipejaru.pdfIn PDF document text
- https://yukkumpulgroup1.com/contents/files/57132541565.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161394d9a8b55f---zebafikere.pdfIn PDF document text
- https://zoldlepes.hu/userfiles/file/68091747955.pdfIn PDF document text
- http://medica-brno.com/files/76133239646.pdfIn PDF document text
- https://maintogelonline2.bet/contents/files/57040420399.pdfIn PDF document text
- http://kpdb.org/userfiles/files/bubim.pdfIn PDF document text
- https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/33141676745.pdfIn PDF document text
- https://deepex.hu/hirek/files/47163637058.pdfIn PDF document text
- https://www.totspotdaynursery.co.uk/ckfinder/userfiles/files/wojokugazinedegijel.pdfIn PDF document text
- http://leinerpakgelatine.com/survey/userfiles/files/dufowoxitev.pdfIn PDF document text
- https://dm288.com/slicice/file/xuwubemiregidebekunisujat.pdfIn PDF document text
- http://totoumi.jp/upload/file/besep.pdfIn PDF document text
- https://afayl.com/userfiles/file/liguki.pdfIn PDF document text
- http://lapawan15.com/shop/fck_file/file/38208994342.pdfIn PDF document text
- https://gagiongvitgiong.com/ckfinder/userfiles/files/57768182330.pdfIn PDF document text
- http://espokebar.com/uploads/files/kawebadixenazirub.pdfIn PDF document text
- http://seanmore.com/userData/board/file/80163149926.pdfIn PDF document text
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/163aaa405f4904aca432007de9efc5c1/33588913915.pdfIn PDF document text
- https://equimat-cheval.fr/file/47068456166.pdfIn PDF document text
- http://sinosteelcode.com/filespath/files/20210907225239.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_off0000b00c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB00C | 10380 bytes |
SHA-256: 9246eadab38011579a7b76edb30f14d8a49199137257144a78e39e8826edc3cc |
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font_01_sfnt_off0000c799.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC799 | 14280 bytes |
SHA-256: d68d24e1796e6c305bf88515cc91e57e25e89f6533634f654de94ddbc284f514 |
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font_02_sfnt_off0000eb3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB3A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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