MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV. It contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lure users to malicious sites for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://hzkontejnery.cz/ckfinder/userfiles/files/podamikifexowejotaru.pdf In PDF document text
- http://cosmosimpex.com/app/webroot/ckfinder/userfiles/files/81588384955.pdfIn PDF document text
- http://fullx.net/files/28044046524.pdfIn PDF document text
- http://xycrusher.com/d/files/44760740581.pdfIn PDF document text
- http://ansatrans.ru/admin/ckfinder/userfiles/files/33088714703.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/c32d5681113a9fd71aa058dd4d031c85/16054170356.pdfIn PDF document text
- https://davnosti.ru/upload/fifon.pdfIn PDF document text
- https://bio-obst-und-gemuese.de/userfiles/file/bebewifu.pdfIn PDF document text
- http://marcelponjee.nl/ponjeefiles/file/bixijiserugoxevabuvo.pdfIn PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1614e58deedeac---wepivasewozal.pdfIn PDF document text
- http://elverum-revmatiker.no/images/file/jumizabivakuj.pdfIn PDF document text
- https://dermatologie-francophone.com/userfiles/file/genalizazutopuviravu.pdfIn PDF document text
- https://bdata.vn/upload/files/38206819584.pdfIn PDF document text
- http://chataphan.com/file_media/file_image/file/2258110888.pdfIn PDF document text
- http://mmbc.cz/_data/user_files/file/61389403928.pdfIn PDF document text
- https://saksisan.com/upload/ckfinder/files/25463894657.pdfIn PDF document text
- https://chorland-dining.com/webroot/editor-uploads/files/vepizovixizenaladevafa.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/cki01c9ashokleisjij5g6flv0/lawefiwawaf.pdfIn PDF document text
- http://contelex.it/userfiles/files/61577804244.pdfIn PDF document text
- http://yasairamenbar.com/uploads/files/wilogaku.pdfIn PDF document text
- http://mabifitness.it/userfiles/files/81114924233.pdfIn PDF document text
- https://thietbixanh.net/uploads/files/11686553213.pdfIn PDF document text
- https://tomaszbizon.tomaszbizon.pl/web/uploads/files/7927084143.pdfIn PDF document text
- http://csc-0411.com/userfiles/file/20210926115427_jsyfh9.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=organizing+apps+androidPDF 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_off0000b34d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB34D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB5F | 16700 bytes |
SHA-256: 20e574e43e7be85e3919c756595f8427027ebdf0332c8a8c9f2601704a98dc91 |
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font_02_sfnt_off0000f5c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5C8 | 10376 bytes |
SHA-256: 8140d6f3f64c45dceaf36716418e08b813ce1538838e19ccfb7431a030a348fa |
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