MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous external URIs and link farms pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution campaign. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://smidgel.ru/uplcv?utm_term=dawn+of+zombie+hack PDF link annotation
- http://summitremodelinginc.com/userfiles/files/3887939882.pdfIn PDF document text
- https://monamifrance.com/FileData/ckfinder/files/20210912_1DE0ED946BEB785B.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/161371b535e8f0---50801738388.pdfIn PDF document text
- http://gaudi.tw/upload/file/4180876993.pdfIn PDF document text
- http://jnejendomsdrift.dk/userfiles/file/54798070851.pdfIn PDF document text
- https://beamstraffic.com/amb/userfiles/file/bawudakafovalenikapepab.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613284f88a3d5---diwoj.pdfIn PDF document text
- http://flashdisplay.net/UploadFiles/FCKeditor/20210917073839.pdfIn PDF document text
- http://paulgraphics.paulsfashion.in/files/sitopozipavofivawaravi.pdfIn PDF document text
- http://jinanxintiandi.com/userfiles/files/95621004223.pdfIn PDF document text
- https://franciscovalles.comtraining.cl/userfiles/files/masagarukuninimuvide.pdfIn PDF document text
- https://khachsan295doson.vn/namthuan/images/news/files/46920731621.pdfIn PDF document text
- https://urbanlivin.lu/userfiles/files/lulufuragimufuvu.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/161444e9274bf6---55775353215.pdfIn PDF document text
- http://elskenecologie.nl/files/18493815661.pdfIn PDF document text
- http://thueotodn.com/uploads/image/files/44614263953.pdfIn PDF document text
- http://www.kigimex.com.vn/ckfinder/userfiles/files/vajotituveganiputewejapab.pdfIn PDF document text
- https://g4m3s-4p1-12s1.com/contents/files/xawatiwagitunepararevam.pdfIn PDF document text
- https://khogiaydantuonghanquoc.com/images/news/file/32099589548.pdfIn PDF document text
- https://granitnet.hu/editor_up/susevup.pdfIn PDF document text
- https://bititechnika.com/uploads/file/88004990512.pdfIn PDF document text
- http://www.beverburcht.nl/upload/files/53809025057.pdfIn PDF document text
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/dbb47708b52d9152d3d1dc0b73413b01/wamupikepivasukitebavobew.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_off0000ec94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC94 | 17592 bytes |
SHA-256: f04d5671c6fd13fe8254ba7c922cb6bca35229f370396e13464519e7570612de |
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font_01_sfnt_off00011a41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A41 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013258.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13258 | 10568 bytes |
SHA-256: aa9a538caecc3cef2ca06e65794332926c1d859212db1367a00b1332e32ad34c |
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