MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous embedded URLs pointing to various domains, many of which appear to be compromised or disposable hosting, 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 0.9974
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://philabc.ru/uplcv?utm_term=dark+mode+on+chromebook PDF link annotation
- https://dermatologie-chamonix.com/userfiles/file/37705587565.pdfIn PDF document text
- https://ciar.vn/uploads/image/files/11722545901.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161471747771ca---8748615074.pdfIn PDF document text
- http://realfootball.gr/userfiles/file/88360320219.pdfIn PDF document text
- http://askort.pl/Upload/file/bejumakefisu.pdfIn PDF document text
- http://bollnas.boj.se/uploads/userfiles/files/tudosulirulenudutegamukok.pdfIn PDF document text
- http://rafaelstore.ru/upload/files/31444399055.pdfIn PDF document text
- https://mavibusiness.it/file/78112299019.pdfIn PDF document text
- http://snft.ro/media/file/44294370509.pdfIn PDF document text
- https://wct.goldcrownresort.com/magazine_files/files/sowozojoma.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/34fba38f8552b936972c06edb0ff8066/74410561802.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f64219ie2ak8c2g0f6j2q78g44/lekoxuvapozotugerulisedob.pdfIn PDF document text
- http://masonhn.com/d/files/2442870845.pdfIn PDF document text
- http://sgrdinstitutionspandher.org/sgrd/userfiles/file/nonanurafabekivarapit.pdfIn PDF document text
- http://egyptlance.com/userfiles/file/tisurijiriziximapiwebu.pdfIn PDF document text
- http://teusz.pl/UserFiles/file/31726803307.pdfIn PDF document text
- http://daejonggyoyc.com/userfiles/file/20210919163124.pdfIn PDF document text
- https://elnativocoffee.com/silver/upload/files/xemejopixidu.pdfIn PDF document text
- https://proektasis.gr/admin/spaw2/uploads/files/42092765411.pdfIn PDF document text
- http://normel.org/files/upload/file/95104092597.pdfIn PDF document text
- https://imagebuzz.net/ckfinder/userfiles/files/povokubosovexopafagifuwo.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/kujamegevadedusalise.pdfIn PDF document text
- http://borik.customreal.sk/data/files/29581625834.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/b2c2a3f1b99a64d1f4acee8682eec644/5391048929.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_off0000e9aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9AA | 17776 bytes |
SHA-256: 9805598edcf7f1b90f957145d06ec8b87353cb681ec80d63d3aeb13067653f40 |
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font_01_sfnt_off00011833.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11833 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001304a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1304A | 10464 bytes |
SHA-256: b8e3db1701fc506aac5c4639d9a02b5d40a1f9b46103dce02548c1827b774d12 |
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