MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised websites, likely intended to trick users into downloading a password-protected archive. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of external URIs and a link farm on compromised CMS uploads suggests a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://allytemp.ru/uplcv?utm_term=mod+fifa+21+android PDF link annotation
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16132594e93a22---wofexipasideveku.pdfIn PDF document text
- http://currycornersugarland.com/admin/images/file/96010311003.pdfIn PDF document text
- https://ngusacdon.com/upload/files/69159304104.pdfIn PDF document text
- http://zartmobilia.com/userfiles/file/20210905182543.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/keloxaxurujasili.pdfIn PDF document text
- https://foodthings.us/userfiles/file/xinuferaxejijafobixe.pdfIn PDF document text
- http://astorandblack.net/emailer/userfiles/file/74534068444.pdfIn PDF document text
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/1612edd2615f46---batamabepufejofi.pdfIn PDF document text
- https://projectmine.hu/ckfinder/userfiles/files/xilelurelakalesawu.pdfIn PDF document text
- http://medicapoland.pl/uploaded/file/35904085728.pdfIn PDF document text
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fdbcc528ca---56384922226.pdfIn PDF document text
- http://terremeraude.com/userfiles/file/77333970293.pdfIn PDF document text
- https://rt-totaalafbouw.nl/userfiles/file/79442645054.pdfIn PDF document text
- http://89928386.com/uploads/files/202109040102021380.pdfIn PDF document text
- http://zxpgw.com/userfiles/file/33024597413.pdfIn PDF document text
- http://pantryscan.com/123cars/imagefck/file/55206536627.pdfIn PDF document text
- https://www.hkha.com.hk/ckfinder/userfiles/files/82870193007.pdfIn PDF document text
- http://nicenpos.com/userData/board/file/44476684743.pdfIn PDF document text
- http://picassogift.com/Uploadfiles/files/nakotogunawofemeki.pdfIn PDF document text
- http://location-venise.com/italie_documents/files/53093135669.pdfIn PDF document text
- http://casavacanzesanvito.eu/userfiles/files/29332140814.pdfIn PDF document text
- https://pezenasenchantee.fr/userfiles/file/neserugesa.pdfIn PDF document text
- 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d10a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD10A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e921.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE921 | 10068 bytes |
SHA-256: a31e4be8a67fcafd7afe8314e01d722c9994646b2387965e1b23c1508dcb1dd2 |
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font_02_sfnt_off0000ffa7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFA7 | 18332 bytes |
SHA-256: 9235795dcf129716e5fbe6606922c272ccda3933c52c310bff3141a787cd42db |
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