MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is classified as malicious by ML and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous links to external websites, many of which are hosted on compromised CMS upload directories, suggesting a link farm or phishing lure. The embedded content, though obfuscated, likely serves to redirect users to these malicious 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 https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/0l7rgimlsepie7bfh26d5leelj/nimemi.pdf In PDF document text
- https://www.makathastaliklari.net/wp-content/plugins/formcraft/file-upload/server/content/files/16077bc9eea4ea---wugumoxugiwituvililune.pdfIn PDF document text
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/sn6r3ko1foakqfee660a8jrjv2/zaperiwajovarejojorovomek.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608484f6d8ff8---42510540102.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/a8c322ab7ff67d2844a40c3d4eca7a64/debuvilanitosetekodido.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160aa5ac249890---37995234528.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/fiberikibikajezibiziloz.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaf1e521f26---mupomopujag.pdfIn PDF document text
- https://universal4shipping.net/userfiles/file/kujitul.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16071b434ecb93---77621946908.pdfIn PDF document text
- https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/3312f35730239be010af52d757c8f9b1/tesonoweni.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee36ad2fb3---sozipawotiz.pdfIn PDF document text
- http://dent-pro.cz/pic/file/xituvorirowineka.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607197d19d563---lagerumeziliza.pdfIn PDF document text
- https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/483113a2b425bed20bd062699fdd9e3f/mapekofedij.pdfIn PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/c9d733555e660e70935e6f5bace631d4/rasomuwoxifepanagivejeg.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/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=crs+reporting+deadlines+2021PDF 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_off0000b948.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB948 | 5356 bytes |
SHA-256: eb20d080b78815b6fb775e99e00aac1ee932762f9d0fbc4117f05da045453c90 |
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font_01_sfnt_off0000cb8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB8C | 10016 bytes |
SHA-256: 7b28adce3c68d3a3b3c87086c99a09b53bf22d94ea7143d0b5182321110d6278 |
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