MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm. Multiple external URLs are present, some hosted on compromised WordPress sites, suggesting a phishing or malware distribution scheme. The PDF's structure and embedded URLs point towards an attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.6686
Heuristics 5
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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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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://oniceh.ru/uplcv?utm_term=leucemia+linfoblastica+aguda+pdf+2018 PDF link annotation
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/4951e040b51f429dd171c7f9a8c9d1be/xoxuloxajezufaxapibaroded.pdfIn PDF document text
- https://big-affaires.com/img/pics/files/34583622072.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b327212cfc1---45275482819.pdfIn PDF document text
- http://gopherandsquirrelcontrol.com/admin/images/file/kesoludomebamowewimilejem.pdfIn PDF document text
- http://www.niziointerior.pl/upload/file/rupegokomodanasewefufumuk.pdfIn PDF document text
- http://halongbaycruises.org/upload/files/9665364817.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a397003b9b0---bapamemodaximuko.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16115509f2de67---68154303550.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606db4837b075---jizufibutamatigusolarozik.pdfIn PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/p9dbfs5b7ohn0k934ojhatd3qd/dovopum.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/7962ceab49b04baf15a155777307813f/7740478964.pdfIn PDF document text
- https://dptech.vn/uploads/files/80907268146.pdfIn PDF document text
- https://securitydm.eu/slicice/file/99632207510.pdfIn PDF document text
- http://php-lounge.de/userfiles/file/86217319939.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/16084d2c8dc241---bufoduvasogetoxatekisoxe.pdfIn PDF document text
- http://sys-svinding.dk/userfiles/file/surekakuzegebe.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16089faec52906---78627185373.pdfIn PDF document text
- http://wjvanderheidedienstverlening.nl/uploads/file/nonekuge.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160875f290a10b---zopezonidovokilalonikigow.pdfIn PDF document text
- http://philipsphotographystudio.com/todinegavumamufadexidupek.pdfIn PDF document text
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094d705cf0dd---94444913336.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/cq7qcles1aqqc3mn3712h3t2l9/54157856806.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/b82ihkgbvqho6fugk96k3ss3kl/zugobezage.pdfIn PDF document text
- http://faradbox.pl/files/file/genepemafebibise.pdfIn PDF document text
- http://bobiniauto.com/userfiles/file/43072725219.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED1D | 18876 bytes |
SHA-256: 435c6d9b2e34f754d661bd6852675279e508957c5f1c8801f26a1ee7af70c562 |
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