MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites. These sites host further PDF files, suggesting a multi-stage redirection or phishing 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 http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/16086fc96836f4---72649972619.pdf In PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ceb82aa4c---berepakematovafam.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/3e00fb31eeeb5fd174f581096ae8933b/94064644168.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608214f6b88fb---91973025149.pdfIn PDF document text
- http://poorclarescork.ie/images/lakotajegujudubevodakun.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/74cc8625be6dc841283265a0b49d89e8/30682472393.pdfIn PDF document text
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/eeng4v1vumi1ht9nvb9d1msgh4/23971520171.pdfIn PDF document text
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16087195c625f8---poxigojowexonetibuv.pdfIn PDF document text
- http://saovietgroup.com/upload/FCK/file/95981270990.pdfIn PDF document text
- https://www.djluk.co.uk/wp-content/plugins/super-forms/uploads/php/files/abbn9d41ssgj7h005qqgopjvin/wedole.pdfIn PDF document text
- http://geoplan.su/userfiles/file/61370873888.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085e641905c3---28986684884.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/zezobuwunanufoxodubo.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ac4391ec2fb---552565973.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/a74e4d7be5deddb88e61c4fb77a7f9e2/tuvenipifog.pdfIn PDF document text
- http://analogsys.com/uploaded/file/1341600076608fb5bad6daa.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/u1lhlv6in0h6je9b6nqermg4uf/gonukulikajuxuxodefeguvu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=common+spanish+phrases+for+travel+pdfPDF 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_off0000da59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA59 | 5152 bytes |
SHA-256: b024d6557ea3bc58dbae3a28ebcc6c6b89b2c8fae73258c80db6379e45a6c9cc |
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font_01_sfnt_off0000ebae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBAE | 11548 bytes |
SHA-256: d3ec069ec77d76a93568dfd1cd68840c3367cff08d03f4981021a7eec06c4bef |
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font_02_sfnt_off00011186.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11186 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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