MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a phishing or malware distribution campaign. The document body is unreadable, but the presence of many links and the overall detection profile indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://chcial.ru/uplcv?utm_term=spell+squamous+cell PDF link annotation
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5b779a2b4---26965863963.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8eb4aab21---78134046139.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d35dcca0335---ronolijuxogasatovo.pdfIn PDF document text
- http://cjcounsel.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/72148465704.pdfIn PDF document text
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a87f335cdd7---39545186779.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609c01e59b746---repukimalaf.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d981bb3788---50729084463.pdfIn PDF document text
- http://alumcity.ru/userfiles/file/42694507392.pdfIn PDF document text
- https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b6da0ad49---27002489675.pdfIn PDF document text
- http://74ahs.com/clients/2/2a/2a132ee8da0778863662fd4b1fa251ed/File/wezabevuri.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/wakatofusidesut.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/5403521490fe6c5decf78b320c426d5f/befefumu.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/ssals53gsqi137tie5dprqbki4/rowozizomiwinukezagolil.pdfIn PDF document text
- https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/514f259df0a66fae2e1b8e599a77ee35/7370531412.pdfIn PDF document text
- http://yilip.net/userData/board/file/pifazutewadejemiluturowu.pdfIn PDF document text
- http://hondaototanan.com/upload/files/vevaxog.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a113e517fc3---35678998230.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c418359e039---boxibuselaf.pdfIn PDF document text
- https://weeb.nu/userfiles/file/11416730071.pdfIn PDF document text
- https://aiwatopup.com/ckfinder/userfiles/files/daragosa.pdfIn PDF document text
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c14e364f6e---kebumavimavaxuki.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7535b221c---basotidowajujakizeba.pdfIn PDF document text
- http://namlongprojects.com/images/uploads/files/99500070241.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/9a5r83d0v0dbarep2qsefcovpe/riwumi.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_off0000eafa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAFA | 16828 bytes |
SHA-256: 7cff391b5e4c0ee15dfc2c7ca864d9400c957cf258204da0695c5be5241e9c3e |
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font_01_sfnt_off000116dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116DD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012ef4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EF4 | 10460 bytes |
SHA-256: 591ad43f70935436ee9c2325b6b99482ed3466cf84e404c29ad8669858481e69 |
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