MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file is identified as malicious by ML classifiers and ClamAV, indicating it's a phishing or trojan. It contains a link farm pointing to compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The document body, though partially obfuscated, hints at a lure related to 'workbook answers', likely a pretext for phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/1a9204ce781f5464b67b863ab7b8cbb6/44558056128.pdf In PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607025ececb8b---jixixujosuvipisexe.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160b8266a90129---48119413305.pdfIn PDF document text
- https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e452e7d544---salubi.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/sl1tvki1etpbvri9emn912e4ak/mobokasamunaf.pdfIn PDF document text
- https://acryl-bg.com/userfiles/file/60842638510.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/a40da08e316ddf3166b6403d6ffbe872/rubaw.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/415805c32ff66648e2333fcfcedd216e/72189498281.pdfIn PDF document text
- http://cathyknightwaite.com/ckfinder/userfiles/files/60710500285.pdfIn PDF document text
- http://agrobud.net/uploaded/file/vuketunulurex.pdfIn PDF document text
- http://iglozawiercie.pl/zdjecia/file/79351981055.pdfIn PDF document text
- http://atallmed.com/userfiles/files/xawiziwanemapefipafe.pdfIn PDF document text
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/1608eb38aed092---73146033139.pdfIn PDF document text
- http://arablift.net/userfiles/file/nadaweju.pdfIn PDF document text
- https://muzeumkonstancina.pl/attachments/file/78464202893.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/~3/3CAf4wW3hvY/uplcv?utm_term=a+treasure+trove+of+short+stories+workbook+answersPDF 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_off0000e074.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE074 | 5168 bytes |
SHA-256: f8866cc760cbeb3ee762c45c0efd1db4ff48c46ab2666bc94dbd1aa76ab2bea0 |
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font_01_sfnt_off0000f219.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF219 | 10348 bytes |
SHA-256: bf44904010ba455bd2e44e28a45cd9f3a4ce5267653f252d877f7e69201cff54 |
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