MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to various domains, including those hosted on compromised WordPress sites. The presence of 'utm_term' parameters in some URLs suggests a phishing or SEO manipulation tactic. The document body is unreadable, but the heuristics and URLs strongly indicate a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://philabc.ru/uplcv?utm_term=english+movies+watch+online+website PDF link annotation
- http://jhdjt.com/images/upload/File/rexiju.pdfIn PDF document text
- https://g4m3s-4p1-12s1.com/contents/files/76372676370.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ded5a4a2de---58825589420.pdfIn PDF document text
- https://eastmangroupllc.net/ckfinder/userfiles/files/10361384229.pdfIn PDF document text
- http://xiangzhuan.tw/upload/files/suwewusafaditujomimabajib.pdfIn PDF document text
- http://szkolaprzybranowo.pl/ckfinder/userfiles/files/27859714842.pdfIn PDF document text
- http://jafra-com.at/userfiles/file/kuxiwifa.pdfIn PDF document text
- http://baloneacessorios.com/_upload/file///69955898205.pdfIn PDF document text
- https://qigoodteam.com/uploads/files/202109180753284220.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/161377beb1a6b9---89469695884.pdfIn PDF document text
- http://www.520amis.com/upload/files/sufefakarazenasuro.pdfIn PDF document text
- http://cnsgawefgl.netsociality.com/upload/files/vesonitefanawubipite.pdfIn PDF document text
- http://schokozentrale.de/idata/vowabijigorapawepu.pdfIn PDF document text
- https://tivicom.vn/upload/files/77921580909.pdfIn PDF document text
- http://vntattoosupply.net/uploads/image/files/biseduxofulofotasajogen.pdfIn PDF document text
- http://centreforeffectivecoaching.com/media/file/falazenirarevozuvijewobu.pdfIn PDF document text
- http://babijie.com/upload_fck/file/2021-9-12/20210912095650122597.pdfIn PDF document text
- http://xn--b1akwe.xn--p1ai/userfiles/file/54648471279.pdfIn PDF document text
- https://yenhuy.vn/upload/files/wupofi.pdfIn PDF document text
- http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210903072757.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/161452f59d17d1---pasogoduroma.pdfIn PDF document text
- https://fentesmakina.com/paket/upload/files/jedav.pdfIn PDF document text
- https://buildingexpertsdirectory.com/ckfinder/userfiles/files/89351993659.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_off0000d86c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD86C | 10852 bytes |
SHA-256: 052c00e5e83fd093cd8018a1992f15ca04029f7be3d281051cc5f0ca12b778b3 |
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font_01_sfnt_off0000f159.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF159 | 17272 bytes |
SHA-256: 328a8831e860530d7cb793cb66732a3dd6050d3a3fd7db98c9a5882b8a8810a9 |
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font_02_sfnt_off00011d7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D7A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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