MALICIOUS
156
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 multiple heuristics indicating it's a link farm pointing to compromised websites. The PDF contains numerous external URIs and links to domains that appear to be hosting malicious content, suggesting a phishing or malware distribution scheme. No scripts were extracted, but the overall structure and URL patterns are indicative of a malicious PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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 https://huntic.ru/uplcv?utm_term=anlage+kind+2017+formular+pdf PDF link annotation
- http://ongxoanhdpe.vn/upload/files/12457218823.pdfIn PDF document text
- https://bisnismedsos.com/userfiles/file/77822185053.pdfIn PDF document text
- http://exima.kr/userData/board/file/7757463476.pdfIn PDF document text
- https://nanyangtextile.com/userfiles/file/wurijibakanupapopagilino.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5b74accc68---makisutajisuliboxexikopa.pdfIn PDF document text
- http://straps.by/ckfinder/userfiles/files/pufimufosunogasosa.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c916dc8a31c---93985820886.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607f797bd9dd4---34061841783.pdfIn PDF document text
- http://cafesezony.ru/fck_editor_files/files/bijozudarajop.pdfIn PDF document text
- http://sshs61.com/clients/6/60/60e739d5a8cf4a6710e4f064fd99417d/File/pexejadijebujomumukasaf.pdfIn PDF document text
- http://www.gabrielamaciel.net/images/content/file/68345962297.pdfIn PDF document text
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/5kbu8omubhrls9hbcj3v5ouk45/79983547804.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161313d8bb053c---80962188083.pdfIn PDF document text
- http://knshzj.com/CKEdit/upload/files/70849927906.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afcc2b14008---24992834571.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076689886e0d---71439670883.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/6t7l26hb22v40ctskd449eljg8/jalesatotokutagibojamid.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/74nqh2an35eljn9174766ssl7o/xewixiwavaxavufimibal.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb9235240c---fadutonufevog.pdfIn PDF document text
- https://thai-airpark.com/ckfinder/userfiles/files/99971813718.pdfIn PDF document text
- https://www.gryf-wet.pl/ckfinder/userfiles/files/xexopulovunifi.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160be1b067f911---14492850294.pdfIn PDF document text
- http://geniuschulatutor.com/userfiles/files/89979843653.pdfIn PDF document text
- http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a54931d76---difitirenosa.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d8e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8E6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f0fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0FD | 11092 bytes |
SHA-256: a8506da6ee339c245a6f0939c1faf93c98b9b8ce2eb91d67fd75ad885a3d4053 |
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font_02_sfnt_off00010ab5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AB5 | 19780 bytes |
SHA-256: 4ec9f57f5a5b7694d2ce19921f77ccfdabd67ad7ee99cf6ca30b87488c3553d9 |
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