MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, suggesting it serves primarily as a container for these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/4c85c0cae5b21db0673663433947f2f9/45299476165.pdf In PDF document text
- https://gachbinhduong.com/upload/file/vosagejazubajexasufin.pdfIn PDF document text
- http://pokemom2.com/uploads/files/lenavivejis.pdfIn PDF document text
- http://bjallstar.com/upload/file/jodebavakulajoriloxabubuz.pdfIn PDF document text
- https://laurallo.com/ckfinder/userfiles/files/75088387208.pdfIn PDF document text
- https://barcelonacentromedico.es/files/galeria/files/87504680654.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/mofudavuseli.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160802f0ee9714---lupopod.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/16087bc975796b---53380523018.pdfIn PDF document text
- http://moscowprice.com/content/xuploadimages/file/wenesoz.pdfIn PDF document text
- http://lideparts.com/userfiles/file/1620933115.pdfIn PDF document text
- http://maremania.net/img_pagine/file/32636458242.pdfIn PDF document text
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/24a7f8e6ee85a404b39fe134c300c02d/76058179040.pdfIn PDF document text
- http://www.blueoak.fr/image/file/82979618186.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/62204723793.pdfIn PDF document text
- http://igigeothermal.jp/userfiles/file/zafurilumovalabiputuzu.pdfIn PDF document text
- https://baongochoa.com/upload/file/fabus.pdfIn PDF document text
- http://coreaad.com/DreamDataUpload/file/jigisobekujoguxe.pdfIn PDF document text
- http://manhchenang.vn/webroot/img/files/gaxitox.pdfIn PDF document text
- http://wksystems.net/HotelEstimator/userfiles/file/fodinemijodejogif.pdfIn PDF document text
- https://hglobaltourb2c.com/FileData/ckfinder/files/20210702_2F2E476EF70D76B3.pdfIn PDF document text
- https://roofmed.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ae261448384---zeruvapomemizul.pdfIn PDF document text
- http://amkchem.com/upload/files/15088147713.pdfIn PDF document text
- https://kidneystonetreatment.in/userfiles/files/geponasobajixivapunudet.pdfIn PDF document text
- https://sharpconsulting.us/app/webroot/ckfinder/userfiles/files/65493137484.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=the+stationary+phase+could+be+a+viscous+liquid+coated+over+a+surface+of+solid+particlesPDF 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_off0000b9ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d211.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD211 | 15692 bytes |
SHA-256: fb80ea18f84250d9b4dab11a87e99e67575a7353badea016028f00baad8569b4 |
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font_02_sfnt_off0000fa00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA00 | 11248 bytes |
SHA-256: 3f4c9dff391f2171180348319db2d4e427ac575c67a4a3f6aa58008614cb3d45 |
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