MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many pointing to compromised CMS uploads and disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of external URI heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://allytemp.ru/uplcv?utm_term=western+movies+free PDF link annotation
- https://indicaperu.com/userfiles/file/kapoxunopusoxafirikew.pdfIn PDF document text
- http://temple.mo/userfiles/file/lutolufa.pdfIn PDF document text
- http://viettranslators.com/webroot/img/files/wexojuviga.pdfIn PDF document text
- http://stphilomenaonline.org/userfiles/file/75414650896.pdfIn PDF document text
- https://siliconautomation.com/userfiles/file/41138528891.pdfIn PDF document text
- http://dpsszczytno.pl/photo/file/zabodinafaveserisomok.pdfIn PDF document text
- http://mishor-uvk.com/uploads/files/jomomavomiboxizizeg.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/70d651c0d5ad5282c73de3b1c5bc0965/tifomejafujaledabikodeke.pdfIn PDF document text
- https://silky.ae/images/bulk_images/files/56728090588.pdfIn PDF document text
- http://cephedanismani.com/images/pages/file/gilexadiloboniguguni.pdfIn PDF document text
- http://maasmartcity.com/userfiles/file/40620996089.pdfIn PDF document text
- http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/72897947391.pdfIn PDF document text
- http://tns-china.cn/editor_upload_image/file/76234731467.pdfIn PDF document text
- http://rvhifi.cz/files/file/74235092375.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/16140584917880---83645249910.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/j86q18bbce9ie74emjnhquhr06/watesixagoperesutut.pdfIn PDF document text
- http://solarissoft.com/img/userfiles/files/14593563819.pdfIn PDF document text
- https://www.agcontraincendios.es/ckfinder/userfiles/files/zitokozabefudef.pdfIn PDF document text
- http://naitikfashions.com/ckfinder/userfiles/files/37296733763.pdfIn PDF document text
- http://alvitraders.com/files/63170732896.pdfIn PDF document text
- http://elijasprojekts.lv/files/file/50378710302.pdfIn PDF document text
- https://qud27rxl1-k61l.com/contents/files/50496969225.pdfIn 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://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_off0000ff27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF27 | 17228 bytes |
SHA-256: d2dd37f67c3dfb87fe61b01d5374bbd8ec5246c2d0d53bc4ad2d42820a8a3ed4 |
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font_01_sfnt_off00012bcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BCF | 10224 bytes |
SHA-256: 5dd316473b5824371fbdaee876497ebebe9739b409d69fbc843ba6f919670f60 |
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font_02_sfnt_off000142c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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