MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The embedded URLs, such as 'https://cructi.ru/uplcv?utm_term=download+mp3+song+chanda+ne+pucha+taro+se', are likely part of a social engineering lure to trick users into clicking through to a compromised site. No scripts were extracted, but the overall structure and URL patterns are consistent with a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://cructi.ru/uplcv?utm_term=download+mp3+song+chanda+ne+pucha+taro+se
- http://szao-spb.ru/images/news/file/11560539653.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160aba5e0574a2---boxobubonazewepimip.pdf
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/lru4ou2vsg5ub4clp5841fqf01/23332225195.pdf
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/3qna8np285tdd9cqq83qlnknc9/18261118408.pdf
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/1328d1687f5660c17cfd877864db810c/31066425696.pdf
- http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/ele7u353kj1jgsmtv48c5m7df3/60209751324.pdf
- https://fertilizergranulatorprice.com/d/files/dovetijolagowumulotofar.pdf
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b83f5553e0f---dumixinujesapizaxizi.pdf
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080e1a2c62d9---90769615137.pdf
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160832fb462f5e---gegafa.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a96aae75604---gajelukukafarinapenezi.pdf
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf54637048---34554136029.pdf
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/hr75ld4t4sffpfv048bjmkeqfg/rufejoludupiziwure.pdf
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/p04a1mk1p7pulfr2mdfsrp5hg0/mevebozed.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d5ff.bin00dbc894ddc85b55a8ee8f3cc4daea6a460e40981eaeea58578cb07c568fcce2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5FF | 5576 bytes |
font_01_sfnt_off0000e8da.binb5402a6ddb34300951856be6a43e642d87d8821c53af5d21b9a1bc9fbef68700 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8DA | 10160 bytes |
font_02_sfnt_off00010bc3.bin0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BC3 | 4324 bytes |
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