MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links to external websites, many of which are hosted on compromised or disposable domains, suggesting a link farm used for phishing or malware distribution. The document body, though heavily obfuscated, appears to be a lure related to an 'online photo viewer'. No scripts were extracted, but the presence of multiple external links and the overall structure point towards a phishing or credential harvesting 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 http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/81115188571.pdf In PDF document text
- http://wskinbody.com/data/boardData/files/kosarulizin.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/95faa3se8jj9tpdual55j8lm66/dibewimegotofomebodifuve.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8441023f5b---34166287417.pdfIn PDF document text
- http://traiteur-ribot.fr/userfiles/file/63432124360.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/80e7dd33b802ecda193d618b0888faf5/lobobugefik.pdfIn PDF document text
- http://talleresjpg.es/img/file/33089737105.pdfIn PDF document text
- http://ricarda-allegra.de/userfiles/file/sawasejuwigukamoze.pdfIn PDF document text
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/dc990dce89b13d93e7f9eac00b8365c4/fabokufanelu.pdfIn PDF document text
- http://micronforgacsolo.hu/UserFiles/file/64125565842.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f84bcfa21---20402408622.pdfIn PDF document text
- http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/16248489737.pdfIn PDF document text
- https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/77e6d3f1349f4e9f874329d81de74c3a/78869255835.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/3r39n1e6gqd0l7kp8dk1k06dpa/vudixulikedadonizinap.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/cc5ve8p7o52685nf3fe1nu40u1/31380482917.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/47086d7dfbedf1437425fde182f2206a/tabufipub.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/FevRqgeaUVY/uplcv?utm_term=online+photo+viewer+for+pcPDF 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_off0000f537.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF537 | 4896 bytes |
SHA-256: b89a69119be732eb54fa87d641cd7aede2ff3ebc13b25a6aec52f195404434c7 |
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font_01_sfnt_off000105f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F4 | 11632 bytes |
SHA-256: d72e4c05d9e4ce4135ad6c84836a0da9f4beee2b5f0f44152c44782812dda810 |
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