MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads and disposable hosting, indicating a link farm designed to phish or redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://petraifevronii.ru/ckfinder/userfiles/files/numuxuzarutogu.pdf In PDF document text
- http://sjccgy.com/userfiles/file/bupapisixilujokubatiwab.pdfIn PDF document text
- https://horgaszvelem.hu/ckfinder/userfiles/files/zuzijabikezonodubelolura.pdfIn PDF document text
- http://szolnokepul.hu/userfiles/file/garifujaxaboge.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/pubemaxejelajiw.pdfIn PDF document text
- http://kite-surf.sk/files/wazetixadafaxenebupen.pdfIn PDF document text
- http://alexdisinfestazioni.com/userfiles/files/bibonef.pdfIn PDF document text
- https://xetnghiemadndanang.com/upload/userfiles/files/19157951431.pdfIn PDF document text
- http://onelove.cz/file/65396632976.pdfIn PDF document text
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/71586117440.pdfIn PDF document text
- http://www.pibmg.com.br/ckfinder/userfiles/files/files/31881345449.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134d570e066f---wozig.pdfIn PDF document text
- http://kidzcastleschool.com/singhania/downloads/file/wajoxonomazaberiguni.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/qqptp6tmeliidhi03oqm3gojqe/83358601760.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/161461a1049a2e---puzevukoxosupik.pdfIn PDF document text
- http://www.nachtruhe.info/up/files/nemiw.pdfIn PDF document text
- https://icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/datedutapenuvavowarulure.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613fd0738788a---tojirewadukixisinugipu.pdfIn PDF document text
- http://hoanggiaphatland.com/uploads/image/files/82811612219.pdfIn PDF document text
- http://corkpotters.com/images/gotoxesobexemaw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=psp+iso+games+2020PDF 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_off0000daa6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAA6 | 17980 bytes |
SHA-256: a01e6e3a9ecd17277c2ef4b6062591bc0bc6e5d686306e772e0d7793bd706f99 |
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font_01_sfnt_off00010924.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10924 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001213b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1213B | 10488 bytes |
SHA-256: 71dabc5567089d8ff11a38796498e1cb593e4a65bd7543ee83b377ca5c02c524 |
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