MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV, indicating a phishing or trojan payload. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body was unreadable, but the presence of external URIs and link farm indicators strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9907
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://darec.sk/files/files/kupupunonokagibaj.pdf In PDF document text
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/2apcrqk664ut1l349q5tioh988/8189452364.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160778bb70dbac---gajite.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16080f3d2d5554---57769414121.pdfIn PDF document text
- http://impex-italia.it/userfiles/files/zinakifexebaxiwozet.pdfIn PDF document text
- https://djennebeads.com/nbloom/fckuploads/file/1042546112.pdfIn PDF document text
- https://safe-international.com/userfiles/file/duvuramavokukaruvap.pdfIn PDF document text
- http://doubletroubels.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078996037729---xivezuwidadazuxu.pdfIn PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/15e532636334da6e1d676698d79bd1c5/21382209959.pdfIn PDF document text
- http://dakmet.pl/upload/kanazuwulat.pdfIn PDF document text
- https://highrise.pl/file/kapabiwofo.pdfIn PDF document text
- http://bogema.by/content/Files/78018788055.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16089d798ad45b---86849292553.pdfIn PDF document text
- http://capital96.com/userfiles/file/kaketi.pdfIn PDF document text
- http://4seasonstours.in/userfiles/file/3088252321.pdfIn PDF document text
- http://szpk.hu/_user/file/88292816716.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1612c90a21a0cb---73280944199.pdfIn PDF document text
- http://scandirent-new.ru/uploads/assets/file/53051113706.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16099cb2848413---metepitabigatedapabe.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2506326ac3---63961553808.pdfIn PDF document text
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161093fd1d4a52---34884736899.pdfIn PDF document text
- http://ugrctrani.it/userfiles/files/repezazaxikitufakajibibuz.pdfIn PDF document text
- http://inventory-acepipe.com/images/uploads/files/tofepuxu.pdfIn PDF document text
- http://homeopathyhongkong.org/files/gunukegi.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16084d9d54b7cf---67637070272.pdfIn PDF document text
- https://aprilboya.com/userfiles/file/46916863024.pdfIn PDF document text
- http://kap-group.com/ckfinder/userfiles/files/pekamepuronidusujamanewu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=comment+manager+une+%C3%A9quipe+difficile+pdfPDF 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_off0000c854.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC854 | 11228 bytes |
SHA-256: 4a7c7957292cde565df828550be2cd7c4f3db855e167ab84efccad9b1557d420 |
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font_01_sfnt_off0000e1cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1CC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f9de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9DE | 18012 bytes |
SHA-256: 6cfec9429b748d30b944ba2b63d0eaaa0b2a8077c772fb2ff7a661f63ad39cdd |
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