MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many embedded URLs pointing to external sites, some hosted on compromised WordPress installations. The document body is unreadable, but the overall structure and URL analysis strongly suggest a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://akssert.com/userfiles/files/musubizunejizeka.pdf In PDF document text
- https://tecnicadovolante.com/images/file/gewusejumi.pdfIn PDF document text
- https://panama4d.com/contents//files/42327208942.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9164cb9b1---jatajanixovuj.pdfIn PDF document text
- http://prestopc.it/upload/file/paviwujuwozi.pdfIn PDF document text
- http://nuitsdartistes.eu/images/file/pivuxelob.pdfIn PDF document text
- http://chsjackets75.com/clients/a/ae/ae1e0d6431e3080ad3d3eb1024a27f31/File/57788013442.pdfIn PDF document text
- https://by-express.com/upfiles/editor/files/24028997402.pdfIn PDF document text
- http://headrepublic.pl/images/files/72562023531.pdfIn PDF document text
- http://knuhpharm.kr/userfiles/file/20210618203812.pdfIn PDF document text
- https://a2designbg.com/userfiles/file/51299687869.pdfIn PDF document text
- http://chickenwild.com/upload/contents/images/images/milibudikazodebuwakej.pdfIn PDF document text
- https://soechi.id/userfiles/file/galafew.pdfIn PDF document text
- https://sanagustin.cl/files/21144113368.pdfIn PDF document text
- https://bevelec.com/bevelec/dossierMois/file/20133859596.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/bfb8fffcda3410edc212e3e99b587267/komov.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b13e538705---zorojifelutafiwo.pdfIn PDF document text
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/b2da65f1d7bf91463d88683328a4b558/73825110238.pdfIn PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/180fa04337388b56e03246be8a8b4dc1/gebatigabofani.pdfIn PDF document text
- http://odmooregolf.com/clients/e/e7/e7046aca88cfcc92de0be8f3f6b3de3d/File/50262611689.pdfIn PDF document text
- https://tannhatviet.vn/upload/files/wolutozibumibuwitefiba.pdfIn PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/lilazewifumuwaxizuxupevo.pdfIn PDF document text
- http://auxerretv.com/content/public/file/vogatazaja.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160885d71977f2---sosexudur.pdfIn PDF document text
- https://mmszke.hu/files/file/66636368882.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=ya%C5%9Fl%C4%B1+adam+ve+deniz+kitab%C4%B1n+%C3%B6zetiPDF 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_off0000e9a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9A9 | 10864 bytes |
SHA-256: 2650c6d2e96c7b6aea72027be3522e88320712a736d0e2bd648cebf7509ef1c9 |
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font_01_sfnt_off00010292.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10292 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011aa4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AA4 | 19076 bytes |
SHA-256: fd57bd28970652f0069431d95685130ee034319f3aee58909528791572a2a8f5 |
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