MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to various websites, several of which are identified as compromised CMS uploads or part of a link farm on disposable hosting. The presence of a 'utm_term=download+best+camera+apk' parameter suggests a lure for potentially unwanted or malicious software downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://archism.ru/uplcv?utm_term=download+best+camera+apk PDF link annotation
- http://naasschoolofmotoring.com/fckeditor/userfiles/file/48375327355.pdfIn PDF document text
- http://mebelhotel.ru/userfiles/files/12252602383.pdfIn PDF document text
- http://hak-al.com/resimler/files/lefonofurivefasusi.pdfIn PDF document text
- https://arrad.ch/modules/ck/ckfinder/userfiles/files/73531777270.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135f5fdb436c---69163436618.pdfIn PDF document text
- http://daiichigroup.net/uploads/news_file/25883352845.pdfIn PDF document text
- http://a2hgghk.handylover.com/upload/files/nekodexiparorise.pdfIn PDF document text
- http://assotechne.eu/userfiles/files/88426195818.pdfIn PDF document text
- http://studioguatta.it/userfiles/files/75720314555.pdfIn PDF document text
- https://y3stwk65l-mn9.com/contents/files/63447790439.pdfIn PDF document text
- http://federicozucchettiarchitetto.eu/userfiles/files/8488522661.pdfIn PDF document text
- https://ducthai.vn/userfiles/file/vuvazawamawakelare.pdfIn PDF document text
- http://dinskayarealty.ru/media/file/vekapepowej.pdfIn PDF document text
- http://apmnir.ro/fckfiles/file/xajixejuzeruxeradi.pdfIn PDF document text
- https://bravo-hk.com/userfiles/file/30859106712.pdfIn PDF document text
- https://profix.fr/ckfinder/userfiles/files/xowomifavosi.pdfIn PDF document text
- http://aostavet.it/userfiles/files/vaxagezamar.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fef0acf609---sifuri.pdfIn PDF document text
- http://gesgo.de/userfiles/file/16683958471.pdfIn PDF document text
- https://appchecar.com/ckfinder/userfiles/files/ratakakutolozutuxob.pdfIn PDF document text
- http://hqshop24.com/userfiles/file/sekurivozagama.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/4sl0kcl0s12d5htrm64dk74lif/61794345183.pdfIn PDF document text
- http://turningpointdigital.com/cote_dor_import/admin/ckfinder/userfiles/files/repoxuverusilefip.pdfIn PDF document text
- http://reanda.com/jingkelun/userfiles/files/20210905063823.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_off0000e326.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE326 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB38 | 19136 bytes |
SHA-256: d22122f96df160aba115d99e5b8cdecbf4c47e8a2ef48cbbcab69c5d09cc7c28 |
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font_02_sfnt_off00012c77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C77 | 10904 bytes |
SHA-256: ccad64278b136e30d8cbfd80c5755d517d5583fbf34ce4c8d746c1e73f9f5605 |
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