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 ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farm heuristics strongly supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://drafthe.ru/uplcv?utm_term=harvest+moon+back+to+nature+for+android+free+download PDF link annotation
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139bcd9760c3---25343288307.pdfIn PDF document text
- http://artio.pl/files/files/25895524442.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/5970c7d384d7984cad6827e0c4610cde/xivawowubababizaputaruto.pdfIn PDF document text
- http://jj-metals.com/userfiles/file/2021090804023473499.pdfIn PDF document text
- http://studiomontironi.eu/userfiles/files/79241312303.pdfIn PDF document text
- http://hueide.com/upload/files/dopenudifoberejuzenogowab.pdfIn PDF document text
- https://hkpefa.org/editor_upload/file/zazenijegut.pdfIn PDF document text
- http://jainfarms.com/uploads/5930496337.pdfIn PDF document text
- https://frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/sokufemamu.pdfIn PDF document text
- http://villapellegrino.it/userfiles/files/deteletetekotefibeguf.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16135eabe39f3a---poxorelolugotutokuxama.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16140176b4f349---16738612454.pdfIn PDF document text
- http://ohana1bbq.com/uploads/files/2887345219.pdfIn PDF document text
- http://coquicart.com/ckeditor/ckfinder/core/connector/php/uploads/files/zovimegoj.pdfIn PDF document text
- https://termoformat.md/img/files/zumazibomoweneniwerikuze.pdfIn PDF document text
- http://logiccpacma.com/ckfinder/userfiles/files/24857983926.pdfIn PDF document text
- https://kindeeyudee.com/ck_files/files/80056326771.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021090708112918.pdfIn PDF document text
- http://sochisushi.nl/survey/userfiles/files/rasojumatuzavixewolux.pdfIn PDF document text
- https://soudurelausiere.ca/upload/editor/file/sojodonifogutiwezowuk.pdfIn PDF document text
- https://steklo-shik.ru/userfiles/file/29031299334.pdfIn PDF document text
- https://kentacademymiango.com/userfiles/file/7253295915.pdfIn PDF document text
- http://systempro.kr/userData/board/file/borupibizivenivafowegagil.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_off0000db65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB65 | 19980 bytes |
SHA-256: ddc3f7bebb9073e99e0f2fb23d14cc59039818e6130e4cf3bdbe7986c0c9479f |
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font_01_sfnt_off00010fc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FC5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000127dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127DC | 11112 bytes |
SHA-256: c0561d00c71fb09cf16ae4f29c963b2c78b68c168302dcc3ea1c07de0f9f8f46 |
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