MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains numerous links pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content or conduct phishing. The document body is heavily obfuscated and contains metadata related to its creation, but no clear user-facing text.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3640960a3---3577266698.pdf In PDF document text
- https://www.northernillumination.com/wp-content/plugins/super-forms/uploads/php/files/caadeda2662d34f880a3ccdabb4779db/wizamitituwufemaweloguxim.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/9d75fkv314jkquem2r9bdhtjeu/97498099569.pdfIn PDF document text
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/6a5b3ee2fc1e4fe12e04fb433a510976/85258872690.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/dec316e93576dc5777cee0c0faf363de/kuwiteda.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/53644239e993478498a17cb002a43878/fobowemovurulaje.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1609f8fdddf5a8---vivatukegizewef.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/18a3648b6043092816b96cbfe21cddd4/nolumir.pdfIn PDF document text
- http://aftckwt.com/uploads/file/pozowixeluvad.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160a119852ee31---nekarovafuvekilibaloben.pdfIn PDF document text
- https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/160762d1f03264---gadutuvuxubusipedejajane.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4ea2ac2dd---mumifoxevitarunemokakapi.pdfIn PDF document text
- http://esoftland.com/userfiles/file/47171363741.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0575722f1f---89050474224.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/306b5d50da0e6d159adaeb11a501436f/76611427069.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=volvo+penta+sx+outdrive+trim+not+workingPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d327.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD327 | 5528 bytes |
SHA-256: 8ad0ce44c3242a8a0d23b2ba8884c53e305faa908684d38567bc6d828ba6354e |
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font_01_sfnt_off0000e5fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5FD | 10860 bytes |
SHA-256: 470d21c905b25d0abebea2de576e943151731f543f67cf7911f4966b451ecdec |
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