MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to potentially compromised or disposable hosting. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings strongly suggests the document's purpose is to redirect users to malicious sites, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/161437adc546fc---kamafetizataxewuw.pdf In PDF document text
- http://xn--o39a91gvwm83kbsn.net/FileData/ckfinder/files/20210919_1147EFABF683487F.pdfIn PDF document text
- http://balcimimarlik.com/resimler/files/notelafemisumivenirir.pdfIn PDF document text
- https://dimensionshoppe.com/alpha/ckfinder/userfiles/files/46326154920.pdfIn PDF document text
- http://stimatacasa.eu/userfiles/files/77111252216.pdfIn PDF document text
- http://kraski-chernila.ru/resources/file/52105265556.pdfIn PDF document text
- http://dbcasagayathottam.org/assets/uploads/cms_images/files/98836170009.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fccff828c9---17195328407.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161457e64c04e3---8073462391.pdfIn PDF document text
- http://hla.vn/upload/files/lijovodizaludewupufutil.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/16148049d8048e---tebuzutuv.pdfIn PDF document text
- http://parkergeneralcontractors.net/userfiles/file/11678792165.pdfIn PDF document text
- http://rsti.biz/files/fck/file/18640956310.pdfIn PDF document text
- http://ahkjt.com/upfile/file/31892849328.pdfIn PDF document text
- http://jhdjt.com/images/upload/File/97409901143.pdfIn PDF document text
- http://agt.es/files/galeria2/files/31969231621.pdfIn PDF document text
- https://siangyun.com/upfiles/editor/files/ponomuzafasifeda.pdfIn PDF document text
- http://innovad-ltd.com/userfiles/file/23764697397.pdfIn PDF document text
- https://thietbixanh.net/uploads/files/14267118927.pdfIn PDF document text
- https://praktijk-fix.nl/userfiles/image/file/71030945917.pdfIn PDF document text
- http://ndt-ultratech.com/files/suroragop.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140e720307da---mapemojekoguziwezu.pdfIn PDF document text
- http://www.phuongdonggolf.vn/app/webroot/uploads/files/33626685908.pdfIn PDF document text
- https://ibliberia.com/ckfinder/userfiles/files/sidisamepa.pdfIn PDF document text
- https://hohsingfiber.com/ufiles/files/82849680182.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=the+wonder+weeks+ebookPDF 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_off0000e633.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE633 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fe4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE4A | 10228 bytes |
SHA-256: e28592fca698ac859d5862773a6eb00e161e4d7fa2708599748b1badbab5bb3f |
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font_02_sfnt_off00011537.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11537 | 18168 bytes |
SHA-256: d7972e0ea75825e5806c7f0ccade680b1a62becf79fbbcafd96ef9c8aff3d2d1 |
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