MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs, several of which point to compromised CMS upload directories, indicating a potential distribution point for malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://olgapolyakova.de/files/files/83038719547.pdf In PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed8afca859---22424175276.pdfIn PDF document text
- https://almoheetmanpower.com/public_html/userfiles/file/woxeritamomogibe.pdfIn PDF document text
- https://blueparadise.pl/userfiles/file/gewegemude.pdfIn PDF document text
- http://terremeraude.com/userfiles/file/rekuvinunirabizi.pdfIn PDF document text
- http://kaushalacademy.org/ckfinder/userfiles/files/46976479948.pdfIn PDF document text
- http://vibrobeton.by/pics/files/68764540428.pdfIn PDF document text
- https://soenen-pneus.com/upload/file/nigelanovovubizirose.pdfIn PDF document text
- https://3drm.bg/uploads/pictures/files/99685064895.pdfIn PDF document text
- https://stollerco.com/testingsites/advantage_aviation/assets/media/file/81867279133.pdfIn PDF document text
- https://brillimet.com/uploads/files/202109010429013739.pdfIn PDF document text
- http://phulieumaymacbaoco.com/hinhanh_fckeditor/file/25687209071.pdfIn PDF document text
- https://strategie-forex.com/ckfinder/userfiles/files/totaxipagegirojimosi.pdfIn PDF document text
- https://beldapromosyon.com/calisma2/files/uploads/88408909196.pdfIn PDF document text
- http://hoachattn.com/image/files/437053761.pdfIn PDF document text
- http://hobbes-group.com/upload/files/gimajululibinobumomes.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/ep3jp55hgei91t9de27vhgsurn/18760834610.pdfIn PDF document text
- http://paitoonbox.com/userfiles/files/xewurujekereda.pdfIn PDF document text
- https://qian-ho.com/upfiles/editor/files/15879034522.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/5174cf39e48adb35322b476b63df6b84/malovumuxakijan.pdfIn PDF document text
- http://banglenhospital.com/UserFiles/File/lovom.pdfIn PDF document text
- https://grupo-bahia-real-estate.com/ckfinder/userfiles/files/sanaduwa.pdfIn PDF document text
- http://ktai.lmg.jp/upload/file/38728780507.pdfIn PDF document text
- https://ehbo-oostkapelle.nl/userfiles/file/joruwobugevuxeta.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=postal+code+of+san+miguel+pasig+cityPDF 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_off0000cd87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD87 | 16856 bytes |
SHA-256: 6388aeb88eeb3725bf40cdeca81133fb140593b00aaee98bb77b2e00ea8cc721 |
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font_01_sfnt_off0000f90a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF90A | 11076 bytes |
SHA-256: 59784a3509b459dd947f288f2c7eeb7939d7f01fc45596d972b9191de9285021 |
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font_02_sfnt_off000112be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112BE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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