MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The document functions as a link farm, containing numerous embedded URLs that point to compromised CMS upload directories. These links likely serve to manipulate search engine rankings or redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160afa9a6a57eb---3522877448.pdf In PDF document text
- https://camgloberealtor.com/userfiles/file/95035665510.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/06baaceb6ee4d45c72e042ec0745df57/tuliziji.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/a42f3346934706fbbdb2558335064c57/83548637869.pdfIn PDF document text
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/f3d62c48b227130099f935021cc92514/8324967832.pdfIn PDF document text
- http://duepassidalcentro.it/userfiles/files/wawavarugad.pdfIn PDF document text
- https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/c8j241a58uoagj34r8r48qdt59/labaxib.pdfIn PDF document text
- https://dm288.rs/slicice/file/detipadikowap.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099161a4d9c6---gofafiruxap.pdfIn PDF document text
- https://istanbularicilikfestivali.com/upload/ckfinder/files/kufakub.pdfIn PDF document text
- http://medi-sen.com/files/files/boxekeripug.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/bea121bfe3912b0b71096984fdea7d0a/jorigorugosijubozetab.pdfIn PDF document text
- https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/e854b01475972984c4af71031777dc91/tawarerir.pdfIn PDF document text
- http://amdind.com/userfiles/file/japegotobajezagexir.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609dc3f006b50---52485113811.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=poems+on+cleanliness+of+environmentPDF 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_off0000df04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF04 | 10564 bytes |
SHA-256: 666be5cfe279daee49e9312039689b4fc1a519b412a346cccc2c8399232071dd |
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font_01_sfnt_off0000f729.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF729 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010f3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F3B | 17364 bytes |
SHA-256: fa68ba60a6b76939c856b31e845cb500dbea6e067dc2a647c7eb89b146fdf746 |
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