MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and ML classifiers, indicating a phishing and trojan distribution attempt. It contains multiple links pointing to compromised WordPress sites and redirectors, likely serving as a lure for users to download further malicious content. The presence of external URIs and compromised CMS upload links strongly suggests an attempt to deliver a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.5579
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://philabc.ru/uplcv?utm_term=8088+and+8086+microprocessors+pdf PDF link annotation
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609b7b497f738---mewaxox.pdfIn PDF document text
- http://alexanderkanevskyartgallery.com/clientMedia/file/kudusidizi.pdfIn PDF document text
- http://sungsam.net/userData/board/file/21546625569.pdfIn PDF document text
- http://constantemail.com/userfiles/file/1622775970lodenivuzanumo.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1c78eaae11---61413586344.pdfIn PDF document text
- http://1970fchs50thclassreunion.com/clients/1/19/19770213778af891f1b13fa25f964f50/File/dogixokijajirazajelo.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c760e8bd42---sixikaxaburererasu.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a26cc819f90---jevujosulawobuzewad.pdfIn PDF document text
- https://rabudiagnostic.com/userfiles/files/nezosotobijuje.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/1062b780634b39f15e30607025c42c79/sifex.pdfIn PDF document text
- http://www.celso.org/download/gafoposal.pdfIn PDF document text
- http://pratiklinik.com/img/userfiles/files/wewot.pdfIn PDF document text
- https://unicon-msk.ru/data/files/46239255353.pdfIn PDF document text
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ade883c7e94---pupipuronobobase.pdfIn PDF document text
- http://goldartline.ua/userfiles/file/jexafanuxuluxon.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/49b49f1db23b76e037c45ed371991ffa/49185272108.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a37f10db940---banuxukov.pdfIn PDF document text
- https://agermag.ro/mm/file/vatibuwimekaneto.pdfIn PDF document text
- http://naucseto.cz/storage/nikidilofozefisoxavepujo.pdfIn PDF document text
- http://www.gonouvellezelande.com/files/lenudaxowudaserebumimu.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607181f7c2765---dipasatew.pdfIn PDF document text
- http://perles-del-beya.com/userfiles/file/2169415022.pdfIn PDF document text
- https://nestaerospace.com/uploads/file/sigusaturukolu.pdfIn PDF document text
- https://autotronics.vn/userfiles/file/zazedutenadevodafidiz.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c6a9a00c5d2---52085153853.pdfIn PDF document text
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2625c911a2---7433961779.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000ac6c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC6C2 | 11036 bytes |
SHA-256: c4bebdfcf42fa7bdbcfb5b7b2ec67f51b68874041e0a4cf119841808a85ea959 |
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font_01_sfnt_off000ae05b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE05B | 16116 bytes |
SHA-256: c71bbb0e2772f090afa065607abb4067c0dcb7e8d6a0003722837585b0189060 |
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font_02_sfnt_off000af5b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF5B5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off000b0dd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0DD3 | 20516 bytes |
SHA-256: f449a00be12d717faeee98906b44795062222f99e4475682add283dd1fe74016 |
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