MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to redirect users. The presence of external URIs and the nature of the heuristics suggest this PDF is part of a phishing or malware distribution campaign, likely using embedded JavaScript to facilitate redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0b877c556---97718357436.pdf
- http://batiment-tunisie.com/userfiles/file/63113096378.pdf
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/o0hcejk85qv4m2ee65epahmfq7/90997603851.pdf
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a2389ea5cc4---3522368122.pdf
- https://o-dance.com/upload/files/nomusonigusafusadu.pdf
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160acd02a52071---7874194972.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160d07be0e86f3---12406715076.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160916d797c51f---pazepivovu.pdf
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097c11c8d3f3---43238891808.pdf
- http://pathtojanna.com/userfiles/files/balekujutujelomoxuriruj.pdf
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606eb121ade5a---48295266664.pdf
- https://soosekszer.hu/upload/files/58968025174.pdf
- https://total-sport.pl/img/upload/files/54124272940.pdf
- http://shqinze.net/admin/upimg/file///pokavoxode.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/6901f2da19e1252f881daa0c83cce66c/wesuwasisafogasetu.pdf
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/21k4q6ddj08ntieoecje91pa73/26874722481.pdf
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160abcf682426d---45121659485.pdf
- http://malbreil.com/userfiles/file/muvuximeribitodop.pdf
- http://ahcxdq.com/uploads/file/281305211599.pdf
- http://cloverpark1961.com/clients/6/6a/6a73a08bb68f643008adb5efbbb44e43/File/21303810742.pdf
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d0d124fe7---rikudij.pdf
- http://cnpair.com/userfiles/file/45497268785.pdf
- https://airflow-skateboards.com/userfiles/files/94297829304.pdf
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160ba293d80b1c---48649803767.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160982e8dc02a0---jiladoloxarupo.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=too+young+to+be+married
- 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_off00010eb6.bin0501118eb56cba680c3e202f8007de46a1bd40c8288b7e144543342410bccfe9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EB6 | 17700 bytes |
font_01_sfnt_off00013cf5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CF5 | 16792 bytes |
font_02_sfnt_off0001550c.bin86ad963469dc0eeba3bf8fb55a3bb45465504f7c958a6093343ff0942ff726a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1550C | 10696 bytes |
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