MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/16090187a733ae---46985625171.pdf In PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/ac1856a9f4e0338e8cf34417f87b7a03/wazijuvesomu.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/2erj2sln1op0d1ckr9rjqj0rdi/womumaxixujasobep.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606cab8ce8a02---55951543763.pdfIn PDF document text
- http://re-view.online/fckFiles/file/89328395144.pdfIn PDF document text
- http://nousgarage.com/userfiles/file/90618732817.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4403209b7---98238599528.pdfIn PDF document text
- https://alihuata.com/userfiles/file/sitoxajamogudopifukuzujib.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16098cb1993da1---farago.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/66797336cb3c2b76872c39a2496837c5/35974086847.pdfIn PDF document text
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3d911d72c---16354174080.pdfIn PDF document text
- http://kodcomputers.ro/2664/uploads/kelaze.pdfIn PDF document text
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/16072e6f31bc4f---66715280831.pdfIn PDF document text
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/6m2vakls2lermbvm36emr35ur1/xidodoviwedajowagitaluk.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/4kakdnjdfhan1ik0mq0hfhm7t5/daredopu.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/Om9ozkHLxGw/uplcv?utm_term=fraction+word+problems+4th+grade+pdfPDF 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_off0000efd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD5 | 5844 bytes |
SHA-256: 4cec91c53c4c4a0d6f8d11677788f66bde705c26804aa81338f8776be5349360 |
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font_01_sfnt_off000103a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103A1 | 11248 bytes |
SHA-256: d117837a212f9ec54774333b12c07d86d7a6ce1c158341abbb6cf2c6217739e8 |
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