MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, with several pointing to compromised WordPress sites and other domains that appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware through these links. The presence of 'utm_term=chatbot+mod+apk' in one URL suggests a lure related to software or app modification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 http://wirtrauenuns.ch/images/file/15386093002.pdf In PDF document text
- http://seatraderhk.com/userfiles/60785840667.pdfIn PDF document text
- http://indecomavo.pl/userimg/inc/jejuv.pdfIn PDF document text
- http://thebodyclubonline.com/userfiles/file/39344839001.pdfIn PDF document text
- http://smolninskayahotel.com/userfiles/file/faloji.pdfIn PDF document text
- https://adikmanis.com/contents/files/16632297365.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613668ee93a53---zusamufaxevujafuditi.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/52482746910.pdfIn PDF document text
- https://bvphcn.bdata.vn/upload/files/nosar.pdfIn PDF document text
- https://unitytradefze.com/ckfinder/userfiles/files/kumedulidexufisezokegogoz.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/8d9c076db716b93caa3039301d3a65b3/72990006257.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/161467455643c4---ruzivefitososiruxokimip.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16133155fc3274---nazibe.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/27250661827.pdfIn PDF document text
- https://leuphuotcamap.com/uploads/image/files/18017298033.pdfIn PDF document text
- http://oguraclutch.cn/uploadfile/files/40060923519.pdfIn PDF document text
- http://bidwoodmachine.com/d/files/vigotupejuziginubexomax.pdfIn PDF document text
- http://heninrealty.com/userfiles/files/66838880179.pdfIn PDF document text
- https://balbok.net/admin/ckfinder/userfiles/files/56993834994.pdfIn PDF document text
- http://zzquansu.cn/d/files/fiwuxufubugiralurelomet.pdfIn PDF document text
- https://cplastik.eu/data/cms/file/57333867357.pdfIn PDF document text
- http://studiolauramoschini.it/userfiles/files/biwojonijugavubalovewobap.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=chatbot+mod+apkPDF 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_off0000bf63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF63 | 17368 bytes |
SHA-256: 492c21f97af3d98cfce36df8d859bca65f4cbeebab82f44a2c9a7a48993ec275 |
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font_01_sfnt_off0000ecb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECB6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000104cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104CD | 10280 bytes |
SHA-256: cdeac6fc7a5304f64a7cdc3e849efe53cc4dbde49d8034cd40cc289113369c5c |
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