MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, specifically as a phishing or trojan delivery mechanism. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting it is part of a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, appears to be a lure related to a lesson plan, which is a common tactic for phishing campaigns.
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://archism.ru/uplcv?utm_term=plano+de+aula+pronto+sobre+cinetica+quimica PDF link annotation
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/7beecniojmqlpss7rd2kb7maj6/nutedotelibijenekulutaleb.pdfIn PDF document text
- https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/tlqckhn6h3ds3r5l0crkkb2no8/zemuv.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab69a062b2---rinefikumatitivavefeviniz.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/621d44416a62b4366a9084c9c47316dd/lekebiseribarejaturi.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/1d911897c26d34ba933119acdd11f7f8/rafapevikuze.pdfIn PDF document text
- https://666666.vn/upload/fck/file/foboruxirojok.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/651a02d9abfde2c7ae7150d7b29da26a/vutimolixoboro.pdfIn PDF document text
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/xamimezese.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160b8ccd49c585---wuxomeromezapuneliv.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606de7bc9ce28---sibexazepopiwizosopimemoj.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/vq5qi5uv4047rnfqmtt0hmrpgv/foputekunuf.pdfIn PDF document text
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a4c5df4738b---wejizixizejowa.pdfIn PDF document text
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/v6932ooihipl6l038hvv1cfai7/72919174935.pdfIn PDF document text
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/7mp699bn2924idroc73p1d5864/wajata.pdfIn PDF document text
- http://10glazsikeyrosa.ru/file/dasoraliwederabalorovob.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/220fcaed24d1fa1355239cc6c83191f2/nomepu.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://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_off0000d96e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD96E | 5488 bytes |
SHA-256: 77f936dfa58200ee9dcf21f930cccef7d27f3f8139f83258f61b039fb00a37d5 |
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font_01_sfnt_off0000ebf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBF5 | 12496 bytes |
SHA-256: 7b79ab909ff934cdc0a45cf254ee3b33d868f84acdb1ae3b8f153ebe112bda62 |
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