MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous URLs, many hosted on compromised CMS platforms and disposable domains, indicating a phishing or malware distribution attempt. ClamAV and ML classifiers strongly indicate maliciousness, consistent with a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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.roosprommenschenckelfoundation.nl/ckfinder/files/files/11963469994.pdf In PDF document text
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/gvmaj2n3frc20htg7simqvbi62/80952189981.pdfIn PDF document text
- http://alternatifmedikal.com/img/userfiles/files/97214192251.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d983766176---wonobexato.pdfIn PDF document text
- https://noticky.net/akce/fotky/file/56994005418.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/b81431b98b3aaf311fd4472aff7a4d99/vezadunisupagaxudadowo.pdfIn PDF document text
- http://mega.kz/media/upload/files/vimufareduvivifapu.pdfIn PDF document text
- https://mimpiindah1.com/contents//files/bekiteneseliwinosisu.pdfIn PDF document text
- http://rauvuonsach.com/images/uploads/files/98760584907.pdfIn PDF document text
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/hula5kgohamlc4vqqkni13qg81/1168310741.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/e70ssankuqvmmc7biuk2m3na04/28340433860.pdfIn PDF document text
- http://eksan-ltd.com/userfiles/file/daduwatax.pdfIn PDF document text
- http://www.ks-zahnarztpraxis.de/upload/files/wejevorumo.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/088801594e2f14c58213c91a01f11196/geramufibujozesasinopesu.pdfIn PDF document text
- http://paillasse.hu/userfiles/file/dekulalidujat.pdfIn PDF document text
- https://digireg.se/upload/zogojejofufaxiloviv.pdfIn PDF document text
- http://espacioschillout.es/images/admin/file/xemetodikuketel.pdfIn PDF document text
- http://ferramentabelleggia.it/public/file/36343015354.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c857546e282---linananimixa.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f74adb1733---93564439799.pdfIn PDF document text
- http://kaztelcom.kz/ckfinder/userfiles/files/36164290159.pdfIn PDF document text
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b01cbaddc5b---92730426842.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/0fef152932ec1b79894f10b3c41b1922/manunizesumabam.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=things+that+are+measured+in+millilitersPDF 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_off0000f85b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF85B | 10640 bytes |
SHA-256: 0b375059e4bc3ba03b591209629f3286a9574e351cfca581c812e2b8b8ca10b9 |
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font_01_sfnt_off00011044.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11044 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012856.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12856 | 17032 bytes |
SHA-256: accad7a0633cff702a0c55a5ee6ae9e5c3c2fb64851c5c11e7c1d4990ce325fc |
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