MALICIOUS
144
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a high number of links, many pointing to compromised WordPress sites or disposable hosting. These links likely serve as a lure to download further malicious content or phish for credentials. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://dspec-car.com/js/upload/files/68724984175.pdf In PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160d24f8ba983d---favafaru.pdfIn PDF document text
- http://casier-a-bouteilles.fr/file/visozabunuvi.pdfIn PDF document text
- http://moje-stranky.eu/userfiles/file/lejuxufopidutisanijisepe.pdfIn PDF document text
- http://heninrealty.com/userfiles/files/32605870913.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/054508dc7ca9d5d1a5c04eb2c62dde00/79182344943.pdfIn PDF document text
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/d7u70qfintih28dnhe798i0n4t/zibozisoreroxi.pdfIn PDF document text
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/qek7ep5a3f3nkgne2h7iutslec/lesapenafemapimojavadepap.pdfIn PDF document text
- http://andlupa.com/userfiles/file/suruxorirugojos.pdfIn PDF document text
- https://securitydm.rs/slicice/file/78263845256.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16090f677bea6c---69681283705.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/5768c219d671ece9d789a01500a90d1b/toxinadazesodunutuwe.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607abcbbd721f---50352581846.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160856b60f191e---rejorewaderejorobitu.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160b8e205a9c56---fotoliwosifajoxuvimoj.pdfIn PDF document text
- https://oliogalanis.com/file/21251464134.pdfIn PDF document text
- https://smartmedia.ro/app/webroot/files/userfiles/files/busifijonojuroxilalir.pdfIn PDF document text
- http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f10c33705a---52710357206.pdfIn PDF document text
- http://toyotarent.tw/FileData/ckfinder/files/20210613_C62D73E89FDBEFF7.pdfIn PDF document text
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607352fbd32e7---95569974093.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16081718550e5c---redevaxalumida.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dcd56c952e---96344182916.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1607040d40cd89---nizisokebawunawojon.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c61c89e89e1---panax.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c5bde55f7f5---81865939772.pdfIn PDF document text
- http://deborahbrown.us/clients/860103/File/89586901991.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=along+with+the+gods+tagalog+dubbedPDF link annotation
- 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_off0000c22f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC22F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000da41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA41 | 16232 bytes |
SHA-256: 4a89aa1df78b994ba782e184f17b6c03b7609e53054746b95164800736965270 |
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font_02_sfnt_off00010463.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10463 | 10732 bytes |
SHA-256: 42618180f194f05b54d803493e00521493200711e8b98349b2f0dcfc3627fe74 |
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