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 external links, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://archism.ru/uplcv?utm_term=how+to+hack+wpa2+psk+wifi+password+on+android PDF link annotation
- http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/zalulafet.pdfIn PDF document text
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/e2e5baea71818f61c41ff2006857a999/53917878010.pdfIn PDF document text
- http://yanartekstil.com/firma/files/narufisatirivovedaz.pdfIn PDF document text
- https://gangnampools.com/contents/files/10799699365.pdfIn PDF document text
- http://botaierpharm.com/upload/files/pemafamalemimuk.pdfIn PDF document text
- http://robvancampen.nl/userfiles/file/resewefenaguwupexa.pdfIn PDF document text
- http://tehla.eu/userfiles/file/vojoxagefelelepafisujobaj.pdfIn PDF document text
- http://elencostruzioni.it/userfiles/files/vodezexeze.pdfIn PDF document text
- https://episcopiaoradiei.ro/files/butafepixurupaxuton.pdfIn PDF document text
- http://palakkadtourism.in/ckfinder/userfiles/files/rategagidemodibesezefu.pdfIn PDF document text
- http://axi-hohenstein.de/userfiles/file/tifuporo.pdfIn PDF document text
- http://www.juniorcollege.cl/ckfinder/userfiles/files/vebowobomipubaramakomides.pdfIn PDF document text
- http://opusincertum.it/userfiles/files/35566953642.pdfIn PDF document text
- https://alexandrapanayotou.com/web/images/static/file/katexijowelapimod.pdfIn PDF document text
- https://bbu.vn/Images_upload/files/54712437392.pdfIn PDF document text
- https://5ky13lu3-1251.com/contents/files/86251812084.pdfIn PDF document text
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137b8c7a1160---mofoj.pdfIn PDF document text
- http://anabakorea.jp/userfiles/file/36524001055.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f78194d051---gulizopaloxegojusujod.pdfIn PDF document text
- https://cakenflowersonline.com/userfiles/file/45065323831.pdfIn PDF document text
- http://quiltingacademy.info/fckeditor/userfiles/file/xuvexezodutozubopusum.pdfIn PDF document text
- https://wildnaturetravel.com/File/54822463296.pdfIn PDF document text
- http://dolphinkorea.com/files/files/73482285626.pdfIn PDF document text
- http://1666-3668.com/attach/userfiles/file/topitebez.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_off0000d8e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8E8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f0fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0FA | 17716 bytes |
SHA-256: d0acb0e5cca36ff099de3bf4e4a4809ad1cd991ef4dc0fc16e3f06de70e13434 |
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font_02_sfnt_off00011ee7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EE7 | 10828 bytes |
SHA-256: 8fdd7d584fa446426d6f03e376417a55652a8de4e81d21e04649c1f40433726b |
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