MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised WordPress sites. These links likely serve as a link farm to distribute malicious content or redirect users to phishing sites. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608758fb5ceb0---5325167058.pdf In PDF document text
- http://cityhigh78.com/clients/2/2d/2ddbae4fb74c169819b3574d76e4e264/File/jatubuganumugofiluzado.pdfIn PDF document text
- https://egokituz.eus/files/galeria/files/7206099794.pdfIn PDF document text
- http://whalesart.com/uploadfile/file///2021070202052097.pdfIn PDF document text
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/c0a76145c5a5327888686b3ef00a5360/89705908472.pdfIn PDF document text
- http://grgct.com/ckfinder/userfiles/files/69758398881.pdfIn PDF document text
- http://sgd42.ru/userfiles/file/temagi.pdfIn PDF document text
- https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/lvdcd9c3bge0gkagtarc697r6k/65959994604.pdfIn PDF document text
- https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/9b9de13828555673ebe622b2726a78a4/majupavugowikepujawepef.pdfIn PDF document text
- http://ampletrekking.com/userfiles/file/nexesej.pdfIn PDF document text
- https://cplastik.cz/data/cms/file/rejutonumokiremogulir.pdfIn PDF document text
- http://telmeed.com/web/ckfinder/userfiles/files/46163139136.pdfIn PDF document text
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8b7bb3307---pewasavuravadosefavonufo.pdfIn PDF document text
- https://blindnow.com/userfiles/file/38444132918.pdfIn PDF document text
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/e5e08db23d38747f7b63c1a64d0b3576/fibule.pdfIn PDF document text
- http://szalkasszorutacskok.hu/app/webroot/files/content/files/tawebopum.pdfIn PDF document text
- http://cardealer-space.com/js/upload/files/76705565932.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/spub9t8jomjtp70pmcsmvh6i94/tirotumuwumumubot.pdfIn PDF document text
- http://murito.fr/ckfinder/userfiles/files/tonunujibuluropamiwif.pdfIn PDF document text
- http://savages.lu/imagesRTE/files/lajaxopivukivejaw.pdfIn PDF document text
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/5a28e545f5981e217ab094b8f66cb82f/renikelozanosunaribon.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160999071d060a---51344971938.pdfIn PDF document text
- http://purifoy2020.com/clients/1/11/118d8b7ee1ea4bab8fb19da95c56260f/File/ruxofopi.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=seth+meyers+monologue+todayPDF 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_off00014599.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14599 | 10892 bytes |
SHA-256: e0cfce83a88befdf7e4a3ca6f30b468e29dc20483cd406c68597fd3e5c4cb5ff |
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font_01_sfnt_off00015e70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15E70 | 17508 bytes |
SHA-256: c58661ecb5a322dfe0027a3a25341b54e59648294f33219a67296dcd2d3bcebf |
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font_02_sfnt_off00018c3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18C3F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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