MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised CMS upload directories, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of numerous unknown URLs hosted on potentially compromised sites reinforces the assessment of a malicious link farm.
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://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16093d0a54e231---64419038805.pdf In PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8ae1eedb0---58744896262.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606ceb7f842c2---6329298162.pdfIn PDF document text
- http://edu-family72.ru/content/images/uploads/file/budigabilugebewugofojakal.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607864c1d95c0---47399617023.pdfIn PDF document text
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/b66e7ea616679211088e4baa76f44110/nanumewokivuzotadis.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080f9fb756f6---9655254212.pdfIn PDF document text
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/qvnnolq025id45a5skg69p19ov/9925294341.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16094cbaa67d88---zekabazekowogato.pdfIn PDF document text
- https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160800042f1261---nimogixuzovegadonibet.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071656800a56---7358278568.pdfIn PDF document text
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/160772e268bb65---63671056067.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1608b562f0429e---wanif.pdfIn PDF document text
- https://rybczewice.pl/userfiles/file/94741847069.pdfIn PDF document text
- https://myveolife.com/wp-content/plugins/super-forms/uploads/php/files/3a6f2900591e82fb8be6ac11567541a6/6407483852.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/e518873dc414339846de2f3ea20fb1c2/79921389420.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/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=avent+vs+pigeon+manual+breast+pumpPDF 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_off0000d54e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD54E | 5328 bytes |
SHA-256: 8625fa65ea4448a1df3ae630fc53bf3f2a60c7a390ccab0ce0578e4a709e8352 |
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font_01_sfnt_off0000e75a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE75A | 10108 bytes |
SHA-256: a92edca9130c2b57055f1565c7dd0c4f3361dd8d9278ae1fdc14dfc81dce5ce0 |
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