MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to potentially compromised WordPress sites or disposable hosting. The document's content, though heavily obfuscated in the provided excerpt, is identified by heuristics as an advance-fee scam lure, likely attempting to trick users into clicking embedded links for fake prizes or parcels.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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://laborke.ru/uplcv?utm_term=how+to+check+market+basket+gift+card+balance
- https://pinpointfeedtech.com/ckfinder/userfiles/files/69107386177.pdf
- http://bmsorganica.com/userfiles/file/36061982690.pdf
- https://506hlapeta.com/files/file/takejuzumuzederi.pdf
- http://zpb-maciejewski.pl/upload/fck/file/51526103770.pdf
- http://lubrifianti-auto.ro/files/file/besonolesapuliragabafu.pdf
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/8f3d4001a9244d96934231770239f88d/fezujigowirijegogi.pdf
- https://argumentua.com/i/file/27794148113.pdf
- http://makaroma.fr/upload/file/furedaridogupisaxopujo.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b2e6097e313---fobufizovukujaxem.pdf
- https://houstoncoinshow.org/FCKeditor/file/daxodulizebikev.pdf
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a85efa83c5e---18477949779.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b65452ade67---59919606168.pdf
- http://susasoft.com/upload/userfiles/files/megelutotinulotosi.pdf
- https://laps.pl/userfiles/file/99092401972.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/f6d95c8e43145d83185f93e488a32f9c/92790478979.pdf
- http://gardatrans.com/content/Files/18578617362.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16092ed5d97f78---sogewaj.pdf
- https://kermiradiatoriai.lt/images/files/31357128244.pdf
- http://podlahyadvere.sk/editor_uploads/system/files/savulo.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160877d2af0af6---wuzuri.pdf
- http://forglass.sk/userfiles/file/kafisazubanudekunopu.pdf
- http://dlzj.net/upload/files/20210708085950300749.pdf
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d216b714ee9---sifupizogizamiw.pdf
- https://rieker-consulting.eu/files/file/41002318465.pdf
- https://novahealthclinic.ca/userfiles/file/58366310073.pdf
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/bdfe6f9a52ae0ea5cd890a21e0972bc4/geved.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_off0000fa67.bin4dd6e93ebe43b840ff0372bab97998a0f4f2320a48fde6bbe0c6a3027fc9ca0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA67 | 17708 bytes |
font_01_sfnt_off000128d4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128D4 | 16792 bytes |
font_02_sfnt_off000140eb.bin1aab35d2d470db6c3e279b5ee9dbf48ae4090c61007dcb96fc56165c0139f317 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140EB | 11232 bytes |
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