MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many pointing to compromised WordPress sites and other disposable hosting, indicating a link farm designed to redirect users to malicious content. ClamAV and ML classifiers identified this as a phishing or malicious PDF. The primary function appears to be directing users to external, potentially compromised, resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://janjoling.com/public/ckfinder/userfiles/files/7144750105.pdf In PDF document text
- http://bobhendrix-law.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tijawejuruzeza.pdfIn PDF document text
- https://stallion-international.com/userfiles/file/23595983574.pdfIn PDF document text
- http://rosabaum.de/web/editor/files/petakubapep.pdfIn PDF document text
- http://lachambredechos.com/userfiles/file/69591196669.pdfIn PDF document text
- https://thietbixaydungcantho.com/canthomobile2/public/images/sanpham/files/fuvadamulajodalisirekudak.pdfIn PDF document text
- http://arhive.np-sp.ru/img/file/24390078437.pdfIn PDF document text
- http://ranch.pl/files/file/1784772518.pdfIn PDF document text
- https://virtrade.gr/userfiles_lybo/file/95557244259.pdfIn PDF document text
- https://keongracun.org/contents/files/61747211033.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/16153ad1827e7e---maluletu.pdfIn PDF document text
- https://hotellemaritime.com/hotel/upload/files/11229952907.pdfIn PDF document text
- http://rutka.pl/media/upload/files/7d83ab78d0a876e787d2efab4f6e210b.pdfIn PDF document text
- http://www.fonfe.com/uploads/files/tapiwexakixiwiworideb.pdfIn PDF document text
- http://faisaltowel.com/survey/userfiles/files/kezaviwosibos.pdfIn PDF document text
- http://afslab.asia/upload/files/latogipazuneturilave.pdfIn PDF document text
- https://cambodiadriverservice.com/userfiles/file/15688558132.pdfIn PDF document text
- https://predial-rua-nova.pt/056-CovadaLua/images-editor/file/17100274769.pdfIn PDF document text
- http://gd-weimi.com/upfolder/e/files/20210930212248.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614151c9996e1---3221994320.pdfIn PDF document text
- http://marktoby.com/akram/know_news/admin/userfiles/file/wedupijal.pdfIn PDF document text
- http://mbfeed.vn/upload/files/wufegovabupunupefimofawo.pdfIn PDF document text
- https://vienhung.com/webroot/img/files/sojusisagurawujeboduji.pdfIn PDF document text
- https://callmarkinvestments.com/callmark/files/zusojel.pdfIn PDF document text
- http://abwalabamaave.com/uploads/files/50554241716.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/u5vg4qqm2729s2ga013g6vsmks/xogejazifimusovuna.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=seminar+report+on+black+box+in+aircraft+pdfPDF 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_off0000efd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000107e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107E8 | 20188 bytes |
SHA-256: 4eb014a6e7b1f3f58f1b19ff5bfebdfb2ff15559677d42d874063da31dc4940a |
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font_02_sfnt_off00013c67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C67 | 11020 bytes |
SHA-256: fc31123f46a7a316ba782d99cd57031254f0175694e89c17517a9b4d1876e1a7 |
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