MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning model indicated a high probability of maliciousness. It contains numerous links, many pointing to compromised WordPress uploads, suggesting a link farm or redirection tactic. One notable URL, http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e0d5986317---fumus.pdf, is identified as a compromised CMS upload. While no scripts were explicitly extracted, the PDF structure and link farm behavior are indicative of malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 6
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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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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.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e0d5986317---fumus.pdf In PDF document text
- http://waypl.pl/upload/File/20145396083.pdfIn PDF document text
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/c8d325e148ba94d8071261c86ad8ea87/90213071046.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/3unpuai1jqo1f387g19ee4mep5/10730084528.pdfIn PDF document text
- http://classicalgardenfountains.com/uplds/file/53971464847.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/94563053636.pdfIn PDF document text
- https://digireg.sk/upload/zegijifuvazolufipusomob.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a1284ecd2---64971156859.pdfIn PDF document text
- http://therealmccoyfamilyreunion.com/clients/f/f9/f9ea119420dddc0cc5ac7622830b9f68/File/kivubelo.pdfIn PDF document text
- https://poolpoint.be/uploads/file/mibiposegot.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/s0pvi69rfjq460phcqgijjesn4/1318281561.pdfIn PDF document text
- http://sgpeo.pl/users//file/zewun.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/t74naege95vugvn8vhukvf2fe1/sulofedenosewopovosuw.pdfIn PDF document text
- http://sevoir.hu/uploads/file/joxeji.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=love+of+money+is+the+root+of+all+evil+scripturePDF 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://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_off0000fd4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD4C | 10984 bytes |
SHA-256: 855a63c555c73e0d0d780d61e225e9588ae66bf5689191b4eefa300cb3c1695d |
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font_01_sfnt_off000116aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012ebc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EBC | 17016 bytes |
SHA-256: 6f6669850255c36ee2e167bf3a92fe935ae25f9e2be21e71a54a4bc5220af20d |
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