MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. Static analysis revealed it functions as a link farm, containing numerous URLs pointing to various websites. Several of these URLs are hosted on compromised CMS platforms, indicating a potential for SEO manipulation or redirecting users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://ribaczpeter.hu/files/file/59021802886.pdf In PDF document text
- http://akifkasaboglu.com/esatfisek/images_upload/files/88441198182.pdfIn PDF document text
- https://samajsutra.com/userfiles/files/86905850236.pdfIn PDF document text
- http://thaimassageboy.com/ckfinder/userfiles/files/metowudi.pdfIn PDF document text
- https://www.cascatai.com.br/ckfinder/userfiles/files/ledogogipoxadelimidas.pdfIn PDF document text
- http://reklamaopole.pl/userfiles/file/wawono.pdfIn PDF document text
- http://itnetworkconsultingsf.com/helpdesk/app/webroot/img/userfiles/files/wupuzeb.pdfIn PDF document text
- https://cosplay-expo.it/ckfinder/userfiles/files/fepibajulekirorixe.pdfIn PDF document text
- http://sirmamedia.com/ckfinder/userfiles/files/10818477670.pdfIn PDF document text
- http://knupress.com/pds/editor/file/vilagizetuzizekavavuvodu.pdfIn PDF document text
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/d89632fabd246a6c6a2c5a73d6c067e6/tolotemeni.pdfIn PDF document text
- http://imosa.asia/uploads/files/202109091803084285.pdfIn PDF document text
- http://skiflogistics.ru/userfiles/file/69816819825.pdfIn PDF document text
- http://e2ingenieros.com/ckfinder/userfiles/files/48001526705.pdfIn PDF document text
- http://dragoniresorts.com/userfiles/90943087083.pdfIn PDF document text
- https://saglamahsapkutu.com/img/editor/image/file/mezarugasuzixewizadixoju.pdfIn PDF document text
- http://etalentlink.com/uploadfile/file///2021090801060933.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/3quluvoitrb1d19fjttd9b9g14/bakebubiketizudibuk.pdfIn PDF document text
- https://officialbacknumber.org/editor_up/fugeveloruvewinepizo.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca752c4f7b---85626606852.pdfIn PDF document text
- http://vitali-schulz-eiskunstlaufen.de/userfiles/files/kizelapisiwibujo.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc92082817---48951998483.pdfIn PDF document text
- https://stradatextiles.com/upload/ckfinder/files/widemagefurekovebopewor.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=nitro+nation+best+tunePDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c68b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC68B | 16432 bytes |
SHA-256: f8313228e25996f0569d7e4b2ae61d22d7bdc04a92cff669ed7417e7a9fbe353 |
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font_01_sfnt_off0000f164.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF164 | 10272 bytes |
SHA-256: ad47904cc0bde1264ba59d1a2aa166a4c9ebc7ad6aadca086c9923d97c640de3 |
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font_02_sfnt_off000108ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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