MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm pointing to numerous compromised websites, many of which host other PDF files. This suggests a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to distributing further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://mytopics.it/uploads/file/bileloveras.pdf In PDF document text
- https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/d8d5798a70cb78217063ea08f65f3c2c/88673730064.pdfIn PDF document text
- https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/8e1a898adcf4b2c58c5d8207ae32071a/16190736398.pdfIn PDF document text
- http://meskerjager.nl/media/files/28686106555.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608a0dd45fb5a---tojuneruzefadunodobi.pdfIn PDF document text
- https://2acontractor.it/images/file/72065407340.pdfIn PDF document text
- https://tungqibiotech.com/upfiles/editor/files/13511102379.pdfIn PDF document text
- http://cesurmakina.com/userfiles/file/6143763060.pdfIn PDF document text
- https://pmcp-avac.com/files/upload-ckfinder/files/70551489797.pdfIn PDF document text
- http://kcde.kr/userfiles/file/xutox.pdfIn PDF document text
- http://solarexperten.ch/fckeditor/editor/images/file/vemirutadimakoripode.pdfIn PDF document text
- https://areicon.com/images/file/venapobam.pdfIn PDF document text
- https://argekaucuk.com/nbg/upload/files/nebiselipatugutorusetami.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9c0336dd4---fotumexevenobiwix.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbd1a5499f6---zusedag.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/10805849918.pdfIn PDF document text
- http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1608dcc71e0873---23725230788.pdfIn PDF document text
- http://learnersdigest.org/userfiles/file/72448368320.pdfIn PDF document text
- http://candybeauty.vn/upload/files/dinaposemibuv.pdfIn PDF document text
- http://n2nlah.org/UserFiles/file/68348147111.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e68371be86---gukewesalav.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/munadoduwu.pdfIn PDF document text
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a2d07db0bd---75546631170.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=anatomy+and+physiology+2+exam+questionsPDF 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_off0000f083.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF083 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001089a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1089A | 11300 bytes |
SHA-256: 80ee18c193daa8232401271f3f3dfe6d4a0470253b2a7eebff9ac26f73390840 |
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font_02_sfnt_off00012292.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12292 | 18048 bytes |
SHA-256: ff6152993b6ff94867c1c363510f83a95b16a24d77c79670755d5b2771a442f5 |
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