MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm designed to redirect users to potentially malicious content. The presence of embedded URLs and the overall structure point towards a phishing or malware distribution campaign.
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://oniceh.ru/uplcv?utm_term=subway+surfers+unlimited+keys PDF link annotation
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072ff38c6d88---zosuf.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfcaf383246---99378094513.pdfIn PDF document text
- http://alibabashipping.com/userfiles/file/54226168307.pdfIn PDF document text
- http://arunimaflavours.com/userfiles/file/17714187084.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160911bd0b139b---wepos.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160865550074ed---50807786568.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/uk76fnn0b4j5r7dpdso2hmf002/wewuvaxogizut.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a83f233c4fe---pubajasavabof.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/4a7d1e0c4c3651e085fb7f07e6a842b5/34755636175.pdfIn PDF document text
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/8c357f2617a64d24fffba29df0d03e27/98990727147.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1d800309bc---rotupolitagubotek.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/863221533fe3d4a1494de0fe8842257f/besaw.pdfIn PDF document text
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/c38fa9efaa9619f937cf88aab0fb5c0a/1167016113.pdfIn PDF document text
- http://sns.hu/_user/file/jujulefudiluxeg.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d53eba149---19527211693.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094de8034bb3---kozirukabarefatali.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://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_off0000f5f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5F0 | 5552 bytes |
SHA-256: 7834af6ba51f05068112e5a57fccfae622106f0f0252a2e212dbd67bad8a7175 |
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font_01_sfnt_off000108d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108D2 | 11168 bytes |
SHA-256: d65775e5551d392073f34db0348f9eab0a805e757c13cebc06da492e9f2be814 |
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