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 and an ML classifier. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute further malicious content. The presence of external URI links and compromised CMS upload links indicates an attempt to redirect users to potentially harmful destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
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://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/3pc3h8ja6ql99mgmv53e5htf0c/39484474545.pdf In PDF document text
- http://shqinze.net/admin/upimg/file///povomotigudeloju.pdfIn PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/efbb7e39ef205f1700da5a6aeb95082d/lekazibovoj.pdfIn PDF document text
- https://toptenstudy.com/upload/files/BodyFile__60B3C5D007A8F.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/r0o7gjdejm6b3rkih626mqifvn/bifegikezuvonev.pdfIn PDF document text
- http://summitremodelinginc.com/userfiles/files/51783194323.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a44987337e8---kipoxobiri.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608ba55055597---gezevodagarizixobegose.pdfIn PDF document text
- http://10glazsikeyrosa.ru/file/88151702028.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160835c0049074---40072350499.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/f1031828774b98449f201387f7cdce11/18669944650.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609d276e3dbd9---83683364902.pdfIn PDF document text
- https://creteservices.com/FCKeditor/userimages/file/pejaxuk.pdfIn PDF document text
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/fa127bedcff81bcb764b2bbcdb143170/3607081926.pdfIn PDF document text
- https://stillwaiting.org/userfiles/file/xedabebitefomoxol.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/8228a2646e3f0f903247521d938c5258/zapawifisem.pdfIn PDF document text
- http://kingcraftviet.com/uploads/ckfinder/files/zururezuxuminamudirew.pdfIn PDF document text
- http://penzionklara.cz/userfiles/file/59890250063.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607073e96adc7---29391610189.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a52699f1718---pibubuvewi.pdfIn PDF document text
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c77023d60---zoxapotunafiwonavade.pdfIn PDF document text
- http://wsp.pl/userfiles/file/48328840190.pdfIn PDF document text
- http://uekekb.ru/!upload/files/limivisenigipuru.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb0161df93f---60161526319.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=mama+knows+best+addison+raePDF link annotation
- https://mediaget.com/userfiles/files/84047969700.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eec6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000106d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106D8 | 18868 bytes |
SHA-256: c0abe36699176b8660abd6616808bdb630983fb644d6a8f890e60134583d1c9b |
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font_02_sfnt_off000137f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137F9 | 10676 bytes |
SHA-256: 783dcf64d7f1a9ee9f015bd8e59452723d45d33797c68e00387b0114583c0a74 |
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font_03_sfnt_off00015081.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15081 | 17252 bytes |
SHA-256: 6d17edc36c5ea45854a330408c453b9bf2ec07e16ee0ea098f0fa41cb1dfad43 |
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