MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The document contains a link farm pointing to multiple disposable hosting sites, likely intended to obscure the true destination of a malicious payload. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document's purpose is to trick the user into downloading an encrypted archive, which is often used to bypass gateway scanning.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://remont-elektro.eu/archiv/file/57566211296.pdf In PDF document text
- https://biographiewerkstatt-singer.de/userfiles/file/72159442781.pdfIn PDF document text
- http://woori-tour.kr/FileData/ckfinder/files/20210913_5711492A567A11E4.pdfIn PDF document text
- http://mydreamtuscanwedding.com/editor_up/sugutaxafapilex.pdfIn PDF document text
- http://dansensvenner.dk/imagesfile///banusozenosofajevij.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613147fa510a1---1114071473.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab6d77ea43---risagofeworaz.pdfIn PDF document text
- https://sts-cct.com/app/webroot/userfiles/files/61948883381.pdfIn PDF document text
- http://abpjse.news-read.com/upload/files/53154119510.pdfIn PDF document text
- https://uleshuzatabc.hu/files/file/9289909199.pdfIn PDF document text
- http://rw-hse-businessconsulting.de/userfiles/file/puwunulega.pdfIn PDF document text
- http://faurerom.com/userfiles/file/dejokuvunus.pdfIn PDF document text
- http://hoshitorionline.com/uploads/files/komisuwugisizanelizavabew.pdfIn PDF document text
- http://gameometria.com/assets/ckfinder/core/connector/php/uploads/files/tafusopujudumikadakev.pdfIn PDF document text
- http://lifecontinues.ru/images/files/4567486096.pdfIn PDF document text
- http://www.impactit.in/ckfinder/userfiles/files/xebiv.pdfIn PDF document text
- http://bumsnab.ru/uploads/files/fofosape.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613620d6de105---toxufolelalubabajaw.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16141675a8a1bd---xadizawodutixelimadopilil.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16140cc7378ad3---39012575473.pdfIn PDF document text
- http://tecnoservizi.com/userfiles/files/93146437284.pdfIn PDF document text
- https://gemma.lucien-sv.info/uploads/files/613d1b851c90d.pdfIn PDF document text
- https://10fci.org/userfiles/file/71462896613.pdfIn PDF document text
- http://braghieriarchitettura.com/userfiles/files/54783613295.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/23d765cf0a3716971cbd95668bd96b33/wigixosorupagemosini.pdfIn PDF document text
- https://www.tzounakos-insurance.gr/ckfinder/userfiles/files/19250906986.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=forgot+draw+pattern+to+unlockPDF 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_off0000e1c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1C9 | 10684 bytes |
SHA-256: 8e6e53f70f0c430947e43a7c25a100f76b4cc869293cbc88aa949a4765c5bad2 |
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font_01_sfnt_off0000fa41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA41 | 17964 bytes |
SHA-256: 553e37a2b4b20a5cb5135c5deaf419203797784427ece7f8dc3b2d19747ddca7 |
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font_02_sfnt_off000128a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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