MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external websites, many hosted on compromised CMS uploads or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://1877painters.com/FCKeditor/file/vodurevag.pdf
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/62f5v50fsoia2ap3pt0jpn55n0/7798805190.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160fb8dafe299b---vexisefuxe.pdf
- https://people11people.com/uploads/File/21390531992.pdf
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/2f468738b4b198b28382954c8c42ff5a/52127194836.pdf
- http://yorktownhs1987.com/clients/57482/File/22754254793.pdf
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/a9e23389becbc818a0c2da8f1daf77ef/43526120155.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16123c32e27060---roxasovapotigoludorumebu.pdf
- https://uleshuzatabc.hu/files/file/ruzekig.pdf
- http://reklama-kemerovo.ru/files/files/15697598961.pdf
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160707daf1cb32---18034742246.pdf
- http://debandhelder.nl/ckfinder/userfiles/files/31189812981.pdf
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/6ab30829fe5afaa2f6ed756ab61855e2/katokurokusuxixep.pdf
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160866973e102b---90985494387.pdf
- http://czdashan.cn/uploadfile/file/2021060908464173499.pdf
- http://gpkoaee.ru/ckfinder/userfiles/files/domekutajinunuxofaf.pdf
- https://pikhospital.com/ck_uploads/uploads/files/nanokuwijorowog.pdf
- http://kavernoklub.com/campannas/file/mugato.pdf
- http://katheran.com/clients/55933/File/45990567705.pdf
- http://kruengrangthai.com/files/files/pegijojed.pdf
- http://peggylittlelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/20235305981.pdf
- https://genia-groupe.fr/images/files/91437370390.pdf
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/e24db48fa7cdb7f3f903e68398cae314/riwupirizokupili.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/605d216b58fead6588988abc710c857c/pakijomakejiwu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=proportionality+graphs+worksheet
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bcf1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCF1 | 16792 bytes |
font_01_sfnt_off0000d503.bin84fd23f987970f2b671bfad310398e069745e6337dbddb76f1a8c1cbbd3c3260 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD503 | 16252 bytes |
font_02_sfnt_off0000ff2f.bina49c0d3b21bc3ea0dc3e56973cbd9f8d6e46046882cb9afcc7d803f286b5b504 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF2F | 10824 bytes |
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