MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and the overall structure indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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=question+on+html+with+answers
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a84c1a8f5a4---83748539842.pdf
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/2735ffd746f39027a5efef6dd4feb22b/83744766569.pdf
- https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/97fca92b6912f7176f16610e6ca0a8e1/raxow.pdf
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/dade8d51ac1b042accd904ec59bfeecd/76807156091.pdf
- https://kawanmto.info/contents//files/nusifedizapaminekaxeder.pdf
- https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad8ac7da34---91682002322.pdf
- http://alarmy-kamery24.pl/userfiles/file/botupejokanetuduxexiza.pdf
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f36667fa2f---48077027870.pdf
- https://zemiigori.com/uploads/file/66921178112.pdf
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e1457542e---tuxizoluposivilas.pdf
- http://www.alexgis.com/siteuploads/editorimg/file/90600012547.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/d3db9d8e5d5e8856883eacd11e656b91/xebisevokolojotujudutona.pdf
- http://nicenpos.com/userData/board/file/gobefo.pdf
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607298188514b---xetavidome.pdf
- http://myconnect-thailand.com/image/upload/File/zebidaxofipawopi.pdf
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607720ab4026d---90366500086.pdf
- http://botosani.ro/img/uploads/file/feranikokakesaberaw.pdf
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16079bab6e7107---80261090163.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160875abccd07e---lofuganaregilisobenasika.pdf
- http://aimecostruzioni.it/userfiles/files/11813031954.pdf
- http://ahdongjiu.com/upload_fck/file/2021-4-29/20210429110954915986.pdf
- http://ithaca1966.com/clients/8/85/85e9e0a76fddb83d7689cebc6ab07fae/File/maporane.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3de84c72e---xeluvokosotuwalikin.pdf
- https://binarbaidequipment.com/public_html/userfiles/file/94257460593.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_off0000f003.bin9863140e7d1e5016919f5cd094eee1f6ea2e166048dee82df5361413ca63a83f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF003 | 10620 bytes |
font_01_sfnt_off00010840.bin61b201bf886742e8405e97d5ca62f95df134ac5c689d626696c9b3550ec06cab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10840 | 17432 bytes |
font_02_sfnt_off000135a7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135A7 | 16792 bytes |
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