MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. Heuristics suggest this is a phishing or malware distribution attempt, with ClamAV specifically identifying it as 'Pdf.Phishing.Trojan'. The ML classifier also strongly flagged it as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://queure.ru/uplcv?utm_term=android+phone+answer+options PDF link annotation
- http://www.dilipprabhavalkar.com/images/file/nolibokaxopogofekunevuwug.pdfIn PDF document text
- http://gamecoast.by/uploads/files/8567874311.pdfIn PDF document text
- http://xn--80aaae7amexjfdlfdfg.xn--p1ai/files/file/sujofitavu.pdfIn PDF document text
- http://facyt.com.ar/ckfinder/userfiles/files/lutiravu.pdfIn PDF document text
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613510793aef3---50817571640.pdfIn PDF document text
- https://armenia4d.com/contents/files/ziwisi.pdfIn PDF document text
- https://thefertilizergranulator.com/d/files/wogatuduves.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/161384aa76d01c---xopukenivosaso.pdfIn PDF document text
- http://phutunggiahungoto.com/uploads/files/nimigujerevitogusipono.pdfIn PDF document text
- http://greenflameenergy.com/userfiles/file/bilosuzisofelajaxavid.pdfIn PDF document text
- http://nyitotthetvege.kastelyszallodak.hu/userfiles/files/3704700658.pdfIn PDF document text
- http://eastwoodfamily.net/userimages/jogunexujodagerawidiwu.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c4b241965f---8643968202.pdfIn PDF document text
- http://energy-labels.com/userfiles/file/43100978161.pdfIn PDF document text
- http://orosweb.hu/userfiles/file/vanuzilesas.pdfIn PDF document text
- https://strongpointmarketing.net/userfiles/file/1334151326.pdfIn PDF document text
- http://circuitoinsulargc.com/documentos/file/bawafokerufoxewemikadapar.pdfIn PDF document text
- http://f-kcc.jp/user_data/userfiles/files/wanev.pdfIn PDF document text
- http://audidalys.lt/ckfinder/userfiles/files/puvizuvimenuvatolovezubu.pdfIn PDF document text
- http://reelproductionshd.com/userfiles/file/21448300508.pdfIn PDF document text
- https://bcm.es/files/galeria/files/nonikiwepaladitinilixam.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_off0000e30c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE30C | 10508 bytes |
SHA-256: 72c35072c9937c8559d70a55fef540f8d68d1f72c6604b9c2c46b9e456639bf0 |
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font_01_sfnt_off0000faf8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAF8 | 17620 bytes |
SHA-256: 75663b4efe69382cab4cfb1eddfb1f211aef753c071a5155200ab67c684e6933 |
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font_02_sfnt_off0001290a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1290A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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