MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites, which likely serve as part of a link farm to distribute further malicious content. The document body is heavily obfuscated and contains metadata indicating it was generated by wkhtmltopdf, suggesting it may be part of a larger phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ac1f0145987---xiwemanejilisad.pdf In PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/c8ddf9bd0fff4b325969a7a3abf2871d/jofuvijolobobozo.pdfIn PDF document text
- https://www.explosivo.gr/wp-content/plugins/super-forms/uploads/php/files/08f90356ab2950db5195b64ba26e45c0/39097006953.pdfIn PDF document text
- http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093136350b4d---tolipuxi.pdfIn PDF document text
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606f68b654370---60150723856.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160bbeb9dc9c76---2499279579.pdfIn PDF document text
- https://airshow-bg.com/file/39880750832.pdfIn PDF document text
- https://www.qlsny.com/wp-content/plugins/super-forms/uploads/php/files/823c1b73001396467bad79ebb8b652a7/zaxisokusepoputizaw.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/99990372597.pdfIn PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a8c3608a0f---16224215196.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/aa1dfb1cc11ad71c92616ba28458c9fc/fekomiwotolaxokewekovuxir.pdfIn PDF document text
- https://charqueadaboavista.com.br/wp-content/plugins/super-forms/uploads/php/files/a23bf3e3f412ebf4b4d351785012cfb1/75424083287.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/bofatajetitapofixekad.pdfIn PDF document text
- https://www.emma-solutions.de/wp-content/plugins/formcraft/file-upload/server/content/files/160982f49e4a05---foviputalarogokepegeko.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=tense+formula+chart+in+nepaliPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dbd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBD9 | 5204 bytes |
SHA-256: 8e3d1161f94d7b9591c43838a633710c6519d4677c07f774c2e192583bb54de3 |
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font_01_sfnt_off0000ed5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED5D | 11304 bytes |
SHA-256: 803d55949730504e430490a3df1124fa3111fc7aeb33ef25bbf37bfb8a779041 |
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font_02_sfnt_off0001135b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1135B | 4496 bytes |
SHA-256: 7137d3af8df8d283cf5a66d2b6fbcde7c91fc4cde26fedb8c535a665c5677876 |
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