MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document contains numerous links, many pointing to compromised WordPress upload directories or disposable hosting, suggesting it functions as a link farm. These links likely lead to phishing sites or further malware downloads, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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 http://amctop.com/board_data/editor_img/file/202105221027.pdf In PDF document text
- https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/6887130dffaf620dc12fa3a6d3203e0f/muweki.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/f9ea7ee86b1d1941f1af8cd4061a9843/59044753450.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/1caaf1ac9a1778dd0a3904dcbb6d70e6/ritud.pdfIn PDF document text
- https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/ib6lfgo3mha1c80t7rt5c6l616/sagamivimajuzudukefuzegi.pdfIn PDF document text
- https://planet-for-events.de/userfiles/file/wutofag.pdfIn PDF document text
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160716937c6ddf---95539443958.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16082d9a1661e8---27096889193.pdfIn PDF document text
- http://xn--2-140-swe8h.xn--p1ai/files/26674984985.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb81ac0568---57902340714.pdfIn PDF document text
- https://boucherienabli.com/uploads/FCK_files/file/nelokar.pdfIn PDF document text
- http://medi-sen.com/files/files/xajinozebamoli.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160879f1d8a8bd---jilubuvifunepusadodawor.pdfIn PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160798f9788798---21698569424.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/d5ec8b7be4407a9093c846f69416f6ba/mujirug.pdfIn PDF document text
- http://apsencollege.org/test/fckeditor/file/lefomujegoxure.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b974b786ad1---vexuvorezopodutoxomupure.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/addf172ec67e8f92663651485cdb1863/41618033916.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d360ba70bf3---panutijokedamas.pdfIn PDF document text
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/kidoj.pdfIn PDF document text
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/i5026915q9htpno3dr8baf3gd5/januna.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16081440b25630---72149445240.pdfIn PDF document text
- http://wallsfamilyreunion.com/clients/876683/File/79457367703.pdfIn PDF document text
- https://steklo-shik.ru/userfiles/file/94847023630.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=black+forest+cake+without+egg+and+ovenPDF 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_off0001111d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1111D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001292f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1292F | 17524 bytes |
SHA-256: 9146f0c707dd965da9243f922d3bdfaeec3785587f432a16dfda1b833489611c |
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font_02_sfnt_off000156e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156E7 | 11152 bytes |
SHA-256: 19d148c4087535555c101fdf678463ea583e4ae0d9a2ce7fd6fab3caf7706d5e |
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