MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to various websites, many of which are hosted on compromised CMS platforms or appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of SEO-poisoned URLs and links to compromised upload directories suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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://www.adarshvidhyasankul.org/userfilesfile/21328064326.pdf In PDF document text
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/c0b391875bf2fe1e57484317ff409093/rubiguwonajebo.pdfIn PDF document text
- https://vipbeachhouse.com/uploads/editor/file/xerefozopedaruverus.pdfIn PDF document text
- https://retake.dk/ckfinder/userfiles/files/56988994173.pdfIn PDF document text
- http://lempreintedubois.fr/userfiles/lempreintedubois.fr/file/93020871629.pdfIn PDF document text
- http://helloshoppingnepal.com/userfiles/file/49292624937.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609269ea1a394---jajisalibun.pdfIn PDF document text
- http://tourhong.com/FileData/ckfinder/files/20210802_46278EC5CBE4CF25.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160dad49987bd5---soxititususoriwor.pdfIn PDF document text
- https://bestcoloringpages.com/userfiles/file/zelomovenu.pdfIn PDF document text
- http://tevukasveza.lt/ckfinder/userfiles/files/92861461848.pdfIn PDF document text
- https://pfhotel.gr/ckfinder/userfiles/files/nitutuxoregan.pdfIn PDF document text
- http://parkhigh65.com/clients/4970/File/zuzugosimejexijusape.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5c7317766---litokise.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/6669c99eb72628e243e11c2f023ca966/47236708309.pdfIn PDF document text
- http://yousefmaktabi.com/ckfinder/userfiles/files/pukoberikal.pdfIn PDF document text
- http://backkwang.com/userData/board/file/74913400347.pdfIn PDF document text
- https://360clothing.in/home/www360cl/public_html/uploads/images/files/nofur.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/2f7a5d11cde0f411fc47894cb3258597/fixolanakivegorodagusi.pdfIn PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/16083fb6e14133---47342270849.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cf0ade579c6---waregafowug.pdfIn PDF document text
- http://unseretochter.ch/images/file/jasovamisuxugol.pdfIn PDF document text
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/a86ad811bd1854e7b15f06bedbf5db42/wezekudap.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/34b80fdd39990c0b39c97f1aff7307ea/gebutesavetigu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=delray+marketplace+movie+theaterPDF 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_off0001afde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AFDE | 10640 bytes |
SHA-256: 4cf3c593a20dad3cfb4bccd66aaad166c0a5c71c88cf7f85c6c92e42b20b31a6 |
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font_01_sfnt_off0001c848.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C848 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001e05a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E05A | 21172 bytes |
SHA-256: 00d9a8370f78a308db5b50d729fb05644d8e8b4d44607ea5499732bfed1209d6 |
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