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 WordPress uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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 https://nls.vn/upload/files/wusowofa.pdf In PDF document text
- http://lingeriedediva.com/UploadFile/file/2021091718321673499.pdfIn PDF document text
- http://denda.co.kr/ckfinder/userfiles/files/debawep.pdfIn PDF document text
- http://mikomisushiwc.com/uploads/files/nixuwuliwuzi.pdfIn PDF document text
- http://klm-co.ru/foto/ck/files/rosipizaxixolonolevolu.pdfIn PDF document text
- https://automatisme-portail-bordazzi.fr/userfiles/fichiers/jujifene.pdfIn PDF document text
- http://twtipa.com/upfile/files/2021/09/15/64036047399.pdfIn PDF document text
- https://bbpartner.cz/userfiles/file/zokanabo.pdfIn PDF document text
- http://mama-care.com/UserFiles/file/86041715008.pdfIn PDF document text
- http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/medotujalosineb.pdfIn PDF document text
- https://www.privathospitaletkollund.com/ckfinder/userfiles/files/2701022947.pdfIn PDF document text
- http://qunjl.com/userfiles/files/18546117756.pdfIn PDF document text
- http://dongsimkindergarten.com/upload/files/42593332712.pdfIn PDF document text
- http://aczelzalog.hu/tmp/zovojaluzemejobemiwotoxug.pdfIn PDF document text
- http://com123.vn/uploads/file/58398827303.pdfIn PDF document text
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/89804705852.pdfIn PDF document text
- https://traffictkt.com/viking1/uploads/files/73225679056.pdfIn PDF document text
- http://sbairs.com/datas/files/81615341353.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff5731c8de---riwoposakuni.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/d5ncfl1utdel2gm011dul5g532/3286227482.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/vavri40hsgp0soo4hs4r17iaen/kepokozofivepibanilak.pdfIn PDF document text
- https://buddhaart.in/userfiles/file/wekupiduzejigopuwutadex.pdfIn PDF document text
- http://nb-magnet.com/upload/files/11511198482.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=jonathan+livingston+seagull+book+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_off0000d930.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD930 | 17720 bytes |
SHA-256: 2a1a634753c3fe9f4695d52d208f0af58f4afb54c07a85cd856ed49d66524d30 |
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font_01_sfnt_off000106f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106F9 | 11068 bytes |
SHA-256: 7b25d5a2ffe11e2f8544dcbf78c3f3e27df1887ca337ef89eecbc39e463ebff1 |
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font_02_sfnt_off0001204e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1204E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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