MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt, likely delivered as a spearphishing attachment.
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://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd492f99ad8---89962567875.pdf In PDF document text
- http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b613645102---gijoziritugepizenapaman.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608c81772528c---gomek.pdfIn PDF document text
- http://churchtextile.com/userfiles/file/32883914537.pdfIn PDF document text
- https://nnkcreations.com/userfiles/file/78094396084.pdfIn PDF document text
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/2jluh0t5rdk961g1vpnjp1d4uc/86554394451.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7fef0568a---suwavuwol.pdfIn PDF document text
- http://dxqzx.com/ckfinder/userfiles/files/20210617_102639.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca0acf5bc85---63294201769.pdfIn PDF document text
- http://ucity68.com/clients/e/ea/ea220da86df44fb0ae3b7c8e8295ccc1/File/lotajodusogeb.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/83580329c4834dff450337b078c61786/79589686845.pdfIn PDF document text
- http://aahsclassof1978.com/clients/b/b6/b6117739535924054831d33ecd54b00a/File/90858596609.pdfIn PDF document text
- https://baohohoanglong.com/userfiles/file/xejiwiba.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092dfabe146f---91900103936.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3528b5834e---kesalo.pdfIn PDF document text
- https://towa-aaa.jp/userfiles/file/58033172354.pdfIn PDF document text
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/43b71b2d6a7145946467bc23fb1da709/8843062161.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160883250ee73a---13199883750.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/LPIa9PGmDLg/uplcv?utm_term=patchy+the+pirate+atlantis+squarepantisPDF 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_off0000feaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEAA | 5248 bytes |
SHA-256: f141472f2e34c6a9722be1c81a8570a8bb49c98ea50aa75d53c65c921ea17797 |
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font_01_sfnt_off0001108a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1108A | 10784 bytes |
SHA-256: b34b0afbf462f1023b35b860966f200300b13f51d3844bc4b764fbedc1ae6e91 |
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