MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URIs and link farms pointing to potentially compromised websites, suggesting a phishing or malware distribution scheme. The presence of multiple PDF-specific heuristics related to URI links and compromised CMS uploads further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://allytemp.ru/uplcv?utm_term=live+tv+shows+free PDF link annotation
- https://matfplayer.com/calisma2/files/uploads/48005005401.pdfIn PDF document text
- http://ageofwonders.buka.ru/sadm_files/60467056557.pdfIn PDF document text
- http://jarosi.hu/files/file/tofexonu.pdfIn PDF document text
- https://traffictkt.com/viking1/uploads/files/telafugunono.pdfIn PDF document text
- https://ms1oke.com/contents/files/76168298489.pdfIn PDF document text
- https://fasaac.org/temp/files/nutuwipimurerevezolagowum.pdfIn PDF document text
- http://vetsnab32.ru/userfiles/file/bobemokolisene.pdfIn PDF document text
- http://levant-tekstil.com/other_files/File/fapugugonerovo.pdfIn PDF document text
- https://copyjokertw.aw6.tw/uploadfile/qu4_qu106_com/files/xagazuza.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/2690b8d27d3cbc72bcfd5263b7098f29/bifugareretosal.pdfIn PDF document text
- https://okazionche.com/files/dubufalimiximelulogeg.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f08eea05ab---siparasagokogujidupak.pdfIn PDF document text
- https://picinterior.com/ckfinder/userfiles/files/59608334327.pdfIn PDF document text
- http://familiegravesen.dk/userfiles/file/majit.pdfIn PDF document text
- http://uitvaartverzorgingsindex.nl/images/uploads/zivunonajun.pdfIn PDF document text
- http://www.anglometais.com.br/adm/Editor/ckfinder/userfiles/files/87186549367.pdfIn PDF document text
- https://ms02bet.net/contents/files/66766138801.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e0f7faa0a2---ridarojunu.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/toposufiluf.pdfIn PDF document text
- http://bet-balance.com/userfiles/file/74463157911.pdfIn PDF document text
- http://matras-devison.ru/upload/file/43501450569.pdfIn PDF document text
- https://pesonabali.dswip.com/ci/userfiles/files/zixomisudosa.pdfIn PDF document text
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614821756b63c---376086369.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_off0000b1d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1D1 | 15020 bytes |
SHA-256: e29155da2ee8d6aafb17db5299eaa2e1375ce57f9f32995f9030057c323c9974 |
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font_01_sfnt_off0000d7e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000effa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFFA | 10108 bytes |
SHA-256: 8d6619825a6f72fbe51dae442fc9726f9c05b665218637b8f412e8ddd2976251 |
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