MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external websites, some hosted on compromised WordPress installations or disposable domains. The document body is heavily obfuscated and appears to be non-readable content, suggesting its primary purpose is not informational but rather to host these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://garglob.ru/uplcv?utm_term=android+apps+that+require+root PDF link annotation
- https://fontaine-eva.fr/userfiles/files/fetifepimemefuwikofaniz.pdfIn PDF document text
- https://basundharamart.com/userfiles/file/nejevojurixikiwapuk.pdfIn PDF document text
- http://hizirferforje.com/admin/fckeditor/editor/images/file/44747329054.pdfIn PDF document text
- http://amicissiapiemonteisa.it/userfiles/files/ripozokolisumasupukidi.pdfIn PDF document text
- http://ski-experience-japan.com/images/blog/file/41561545085.pdfIn PDF document text
- http://sprostredkovanieuverov.sk/res/file/78137974327.pdfIn PDF document text
- http://circolosilverblufitnessclub.eu/userfiles/files/11563920783.pdfIn PDF document text
- http://dvg.asia/ckfinder/uploadfiles/files/12064953809.pdfIn PDF document text
- http://yangs-ns.com/ckfinder/userfiles/files/20210915202118.pdfIn PDF document text
- https://handinhand-daycare.com/ckfinder/userfiles/files/66690622691.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b21e85ac37---38049394656.pdfIn PDF document text
- http://studio-rivetti.it/userfiles/files/75030360683.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/ifn9cnb7q6kfoa835qujue3mj3/jusifaruri.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/416a8c8b2af2078bfb185c82dad5272b/sogekuniri.pdfIn PDF document text
- http://massimosusto.eu/userfiles/files/veragiret.pdfIn PDF document text
- https://hazeloyun.com/calisma2/files/uploads/97316317829.pdfIn PDF document text
- http://ttmm.co.jp/ckfinder/userfiles/files/muwijitafejilatuwiri.pdfIn PDF document text
- http://atlonnuri.org/UpLoadImage/editer/files/silur.pdfIn PDF document text
- http://www.huntsvillepr.com/files/files/44271924374.pdfIn PDF document text
- https://stgeorgedentalcare.in/ckfinder/userfiles/files/28184668428.pdfIn PDF document text
- http://yournamebadges.com/withyourdog/cms_uploads/file/18022747852.pdfIn PDF document text
- http://aweibel.com/Photo/file/tixasulokodefatobe.pdfIn PDF document text
- 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_off0000ef9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF9F | 17400 bytes |
SHA-256: cd1d0696119135f13eecaf7f2bfa5791b812bffb4602de5ccb80a3c7c3e85d66 |
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font_01_sfnt_off00011c8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C8B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000134a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134A2 | 10672 bytes |
SHA-256: f8fbd8ce48930093125812a6dabd07bb6ee285708a94fe71a52f8c531ea4f5de |
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