MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly indicate a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection further confirm its malicious nature, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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=womens+size+12+converted+to+men%27s PDF link annotation
- http://nena-artspace.com/ckfinder/userfiles/files/zogegi.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/5cd5089ba00bd02d9eba169f9475877f/ragosixa.pdfIn PDF document text
- http://www.verneteco.com/ckfinder/userfiles/files/ratudogipumoruwipigufol.pdfIn PDF document text
- http://cheapmarkt.com/userfiles/file/59495064464.pdfIn PDF document text
- https://kurek-rowery.pl/user_pict/file/953664.pdfIn PDF document text
- https://ags-car.com/upload/files/71021217813.pdfIn PDF document text
- http://strahovka66.ru/userfiles/file/32650078238.pdfIn PDF document text
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/25ocudo7r80t4e5dprc4j32965/gagasebadiwamibi.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ad975e3c42e---12320190799.pdfIn PDF document text
- http://siamsnail.com/media/userfiles/files/3348478080.pdfIn PDF document text
- http://movietek.vn/hinh-anh/files/97961854123.pdfIn PDF document text
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/315e99b3842e13bd38ca147acd1a2848/71415964906.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c7b96e77459---negojozagunozenidiret.pdfIn PDF document text
- http://abacusnancy.com/userfiles/file/bogaxunesi.pdfIn PDF document text
- https://divinesacredshakti.com/wp-content/plugins/super-forms/uploads/php/files/34513ba8b0c0b79882fb1e37108d7ab6/gizagikapogiwojanimepizi.pdfIn PDF document text
- http://dzbnf.com/upload/file///zusoru.pdfIn PDF document text
- http://geriatriccarenewjersey.com/userfiles/files/zizimejixanobiridilubud.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/d6dhct392fmibuihm9hlg5ndtu/dojop.pdfIn PDF document text
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/i3erhmobf3jkf6hulr2gka6oob/42358163713.pdfIn PDF document text
- http://zgic.ru/!upload/files/36329507737.pdfIn PDF document text
- http://tinavaron.com/ckfinder/userfiles/files/35731522010.pdfIn PDF document text
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/26f74ab48a2970f052cdb264adf3a16e/jizodet.pdfIn PDF document text
- http://demkapi.com/resimler/files/98472143914.pdfIn PDF document text
- https://hyundainhapkhau.vn/upload/files/22241137141.pdfIn PDF document text
- https://tenfci.org/userfiles/file/94638123158.pdfIn PDF document text
- https://dm288.rs/slicice/file/saropoguxora.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_off0000e7cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7CB | 10648 bytes |
SHA-256: 99fe147a57ebdba288db9e2aad1db6349add3abcb3009c55b29aa37e8645c989 |
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font_01_sfnt_off0001005f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1005F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011871.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11871 | 16996 bytes |
SHA-256: 2b4e4f25e072bd6b0b7b86652ca35707e8685b7394904beebe4b747277fd62cb |
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