MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many pointing to compromised websites or disposable hosting, indicating a link farm designed to lure users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://pistant.ru/uplcv?utm_term=how+much+does+it+cost+to+flush+a+septic+tank
- http://yoga-privates.com/yoga-privates/file/92632182453.pdf
- http://bongoes62.dk/userfiles/file/82279778073.pdf
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/addee0e24c049ddf8693e7047fed053e/46683823286.pdf
- http://pincailight.com/zk/UploadFile/file/2021070515511273499.pdf
- http://markone-tools.com/upload/files/farosataxumejabox.pdf
- http://www.fishandcosolicitors.com/uploads/files/pusutilovega.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d321940525f---63213265821.pdf
- http://fritz-fahrlaender.ch/download/96460754336.pdf
- http://kojeneckezbozi.eu/userfiles/file/kojovesulikubejezubesi.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/01ffbp9o7ts4hvaptetajjl11g/wobin.pdf
- http://ornito-silesia.eu/userfiles/file/88555140119.pdf
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acabee07fa9---tosufasa.pdf
- http://starsunited.at/upload/files/nipemodikuwewuj.pdf
- http://www.jindatunnel.com/up_files/file/difagogokiwavaxajalo.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fe34654d088---suwefobefew.pdf
- http://centonze-vini.com/userfiles/files/kuxibedaxerexikeza.pdf
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae1691fe8f---fakixebaxodutubono.pdf
- https://aljazeerahpetroleum.ae/userfiles/files/53684181838.pdf
- http://amuseonline.com/absite/userfiles/file/71280948691.pdf
- http://vaness-sens.fr/ckfinder/userfiles/files/gegaretiratilifurip.pdf
- https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/hsst0i0n76ivf5e1c2rraqvuh0/subusaxuranen.pdf
- http://wallsfamilyreunion.com/clients/876683/File/juzuf.pdf
- https://betentour.com/sites/default/files/file/wabuvi.pdf
- 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://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e445.bina9b1b890395d6e45a3825c46b446e472f983a5cde7ebb15767a7bdcc37d32c2e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE445 | 11056 bytes |
font_01_sfnt_off0000fdde.bin14a5a4ff6c1c8aac3f64d8daf4226fcde36b28fe4d248e36b7f7d0925507f619 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDDE | 17888 bytes |
font_02_sfnt_off00012cc1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CC1 | 16792 bytes |
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