MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains a link farm pointing to various compromised WordPress sites and disposable hosting, likely intended to redirect users to malicious content. The PDF's structure and embedded URLs suggest a phishing attempt disguised as a document download, potentially leading to further malware or credential theft.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8524dff9a---zuripekirapafokifidudelo.pdf In PDF document text
- http://sbnjl.com/userfiles/files/64139372565.pdfIn PDF document text
- http://vorne-sitzen.eu/pcms/content/file/3694035341.pdfIn PDF document text
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160e21746a700a---todufenopajid.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/467746e89bb4ceabd17fc6b2a665d4ae/88160142990.pdfIn PDF document text
- http://beiwendq.com//data/attachment/file/sonosixaludosewamiwib.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a66e0605882---28909324814.pdfIn PDF document text
- http://31kouqiang.com/userfiles/file/1623239786.pdfIn PDF document text
- https://ilexgold.com/app/webroot/files/userfiles/files/zebozumirufu.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608f19d4b84ee---safabibixotosaf.pdfIn PDF document text
- http://bbfederico2.net/userfiles/file/lifuxisapivofipamutafo.pdfIn PDF document text
- http://autoscuolepintozzi.it/userfiles/files/18933123924.pdfIn PDF document text
- http://meble-tk.pl/userfiles/file/satavevutiwazalu.pdfIn PDF document text
- https://facades-metal.ch/ckfinder/userfiles/files/mekiwakutoboxixebas.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16073662323781---84169511906.pdfIn PDF document text
- https://maturana.cl/upload/file/nuzekonode.pdfIn PDF document text
- https://twr1115.net/files/fckeditor/file/10392918680.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/2956f4b71156b0bc0471fd3cce85c53f/15090937072.pdfIn PDF document text
- http://t-p-fortune.com/userfiles/file/pezifotinopi.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a24595fe7---3465238364.pdfIn PDF document text
- http://espacioschillout.es/images/admin/file/zifaporamazu.pdfIn PDF document text
- http://nacnsuaa.com/clients/4/49/49ab1acc6c62b5a39110d621a19f71c0/File/xuvosukavegut.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=the+pursuit+of+happiness+pdf+free+downloadPDF link annotation
- http://perfecturology.cafe24.com/upload/editor/imagefile/zewifixanamilujologiwojiv.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_off0000c4d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4D8 | 10744 bytes |
SHA-256: 1dbd3d0251fce1caae1b1892ac9ec424bc1f32fca11dfb6e93aa8685f6afb042 |
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font_01_sfnt_off0000dd8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD8A | 16884 bytes |
SHA-256: c97bbf6c4557d4ec08ac5b1f4fb54b06399f05a8907b305c0fc82246480ef479 |
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font_02_sfnt_off000109e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109E2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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