MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external URLs, many hosted on compromised WordPress sites, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. The presence of embedded URLs and the nature of the links point towards a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://queure.ru/uplcv?utm_term=ducato+pick+up
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/ef1c00e4af759af6e41ebcda55bfa300/bimavekikozazudi.pdf
- http://ekotronic.eu/files/file/pemiwutem.pdf
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/6e14cbbd2e829f2c410c87a9ad6143d1/kifigujiva.pdf
- https://aimhc.com/userfiles/file/korefixobofakebo.pdf
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/592bcb502ed2e44811a191da3bf3cb70/defogegidegofimudafowa.pdf
- http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/nexapalewut.pdf
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608156ae1d17c---27800080040.pdf
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/s213k91qfuvvchg3bgd0ldjkk5/50305775965.pdf
- https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/95f42ddec487900a83db8b7b4a25fe3b/rasikodakegad.pdf
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/8cf8c4f46b5f57328a80ac3cea867838/lilubosuvutuludirileka.pdf
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/079f8cfbda6289af608319553d593f77/50057213708.pdf
- http://parfumkin.ru/files/files/43295790296.pdf
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160750bc5e045b---dupilewidanaredunudozedo.pdf
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/22dddb4a86e7f454b332e64a4d3c6268/pizugojitejumovapevo.pdf
- http://leilehua76.com/clients/4/4d/4d80c013f15dbe3c797666a457780dca/File/27358388281.pdf
- http://feuerwehr-mittenwalde.de/mediathek/files/xaxupibitaka.pdf
- https://congchunghadong.com/uploads/files/bimunolewa.pdf
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af8a20b91f4---4890403825.pdf
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/c105ef0aa8eb7186119023982a88dfff/34838955999.pdf
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bd8f535798d---poxabafuwofu.pdf
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/55c53449bba8a9ba14873b1d098557a2/kijunebivijekalatijov.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_off0000c4a3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4A3 | 16792 bytes |
font_01_sfnt_off0000dcba.binc6b0856a3e856ccfb0ee9339cfd3206bbd8b6808874989ff6348eae7cfaaa7f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCBA | 10008 bytes |
font_02_sfnt_off0000f31e.bin2f1d09f58e4873f35fd960a7c937ef7f563d7c02e6eaad3aa515def95f91fcbe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF31E | 18052 bytes |
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