MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, despite some being marked benign, contribute to the overall pattern of directing users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9887
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 http://crocepadrekolbe.it/userfiles/files/10258084083.pdf In PDF document text
- https://chiuman-hk.com/images/file/zipikopexiwimim.pdfIn PDF document text
- http://mintaialuminum.com/d/files/juvoforuwupatomabobi.pdfIn PDF document text
- https://idd.no/ckfinder/userfiles/files/gepevarexawivakelepav.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147253af3502---kivuwifarojenid.pdfIn PDF document text
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141f8f10f42f---lopanilasevevarajunidipuv.pdfIn PDF document text
- http://mh-gartengestaltung.de/userfiles/file/xidewi.pdfIn PDF document text
- http://brezov-gaj.si/uporabnik/file/32255202651.pdfIn PDF document text
- http://www.village-gaulois.org/gestion/ckfinder/userfiles/files/30931495003.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/kavafikemadux.pdfIn PDF document text
- http://se-ty.com/uploads/userfiles/file/danawimedifipa.pdfIn PDF document text
- http://nhactheducthammy.com/upload/files/bidobiwavikok.pdfIn PDF document text
- https://tw-itemaos.com/ckfinder/userfiles/files/tewefobilomefejixukar.pdfIn PDF document text
- http://kroonzuivel.nl/ckfinder/userfiles/files/tawesowupabolajevijis.pdfIn PDF document text
- https://www.temtechnologies.fr/ckfinder/userfiles/files/pebadugata.pdfIn PDF document text
- https://elnativocoffee.com/silver/upload/files/70757933352.pdfIn PDF document text
- http://zhizhencn.com/filespath/files/20210910050402.pdfIn PDF document text
- http://boldogelet.hu/media/95440054387.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613780f654bd3---16432739258.pdfIn PDF document text
- http://anapharmata.hu/ckfinder/core/connector/php/files/savarumononaxasefag.pdfIn PDF document text
- http://wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/vawomuk.pdfIn PDF document text
- http://ultraljud.nu/bild/files/63910065710.pdfIn PDF document text
- https://rugerwafers.com/demo/ruger/beta/userfiles/files/xemiwugulozenoruwewo.pdfIn PDF document text
- http://ducthoaudio.com/upload/files/45293229088.pdfIn PDF document text
- http://onlinemidias.com/ckfinder/userfiles/files/9817134751.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=puffin+browser+android+tvPDF 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d3c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3C7 | 23920 bytes |
SHA-256: 773d1a7fb89cc9b54584c9484a3d8f49ab0b34c74d95d933ee41ba8a1774e27e |
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font_01_sfnt_off0001115b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1115B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012972.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12972 | 10692 bytes |
SHA-256: c7e8bbec4b22a49926dbe02122d08f448dfb940b8ab6cf149fa94a1cac13e3a6 |
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font_03_sfnt_off0001422a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1422A | 17036 bytes |
SHA-256: 1a2112350983d7e702b272f6bda45257ded61393c9261b989723f98e2479052b |
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font_04_sfnt_off00015b3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B3E | 1680 bytes |
SHA-256: 6c08887b596ecb472c5a0482df8c2f828d83fc5b5d16111ed0caa1fced1b35dc |
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