MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm on disposable hosting, pointing to multiple compromised CMS upload locations. The embedded URLs likely serve as lures to phishing or malware download sites.
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 http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce6574d1d5---kevujelapiwosutomuvi.pdf In PDF document text
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/4af96cbaf43f4b3eb4ddf711cb5ec6da/46461952090.pdfIn PDF document text
- http://fbchitchcock.org/clients/8/8b/8bdff38a390027835eb24981312b950c/File/sugib.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ea494a162d---wikaverutewosub.pdfIn PDF document text
- https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/271477528043c5d4007d5d4ff5e1f228/mukirilenipisivunogu.pdfIn PDF document text
- http://lavalnerina.it/userfiles/file/muvetozoxosibuzoporepemar.pdfIn PDF document text
- http://bienbao.org/uploads/files/xubogilutikibu.pdfIn PDF document text
- https://africanresearchcenter.com/userfiles/file/balapu.pdfIn PDF document text
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160a612b9d2312---66050700008.pdfIn PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608004104cdf2---11828366412.pdfIn PDF document text
- http://alexanderkanevskyartistbiography.com/clientMedia/file/mixabigajetuxipokoxod.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607edd471189f---69565974399.pdfIn PDF document text
- http://magogaralbamoble.com/galeria/files/52123269473.pdfIn PDF document text
- http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16080ab9731351---71610749490.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b403a5a2ea9---geviwufigikonojofad.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cec9c1b003---51983093553.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/Om9ozkHLxGw/uplcv?utm_term=the+wizard+of+oz+question+answerPDF 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_off0000eec9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC9 | 5180 bytes |
SHA-256: 463ed92b2c846a2a38619c50b93501cf92498060f8e40dc9aaf726009393ff30 |
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font_01_sfnt_off0001007a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1007A | 11488 bytes |
SHA-256: 5ecc71d503b005c825332f94af3f76803c0ca1f6508e7a004f3a65d8642cea46 |
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