MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. ClamAV detected this file as Pdf.Phishing.Trojan, and ML classification strongly supports maliciousness. The primary attack pattern involves luring users through a malicious attachment to a site that likely hosts further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://pistant.ru/uplcv?utm_term=consumer+direct+loan+officer
- http://euroear.eu/ckfinder/userfiles/files/58397660256.pdf
- http://autosoftware.company/autoresponders_images/files/suxaxemedivogafewerebul.pdf
- http://musiclivemarsala.com/userfiles/files/fetubu.pdf
- https://kocarbonag.com/luutru/files/gelovamigukudumasixe.pdf
- http://vdavloeren.be/userfiles/files/43741745279.pdf
- https://cowichanseniors.ca/userfiles/file/gerabiwomuzigapilu.pdf
- https://soportedevida.mx/ckfinder/userfiles/files/23480128717.pdf
- http://rotarytattoomachine.co/project-new/christianbook/upload_images/file/48381474438.pdf
- https://sf-tfi-pgu.uz/wp-content/plugins/super-forms/uploads/php/files/eb99e842450ebacc08a7c597d1256971/fivekan.pdf
- https://vinadesigndanang.vn/uploads/image/files/puzufepugopibopesagazaf.pdf
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed91489b73---43527546912.pdf
- http://jsjxh.org/filespath/files/20210907102757.pdf
- http://artin-intranet.com/ckupload/files/85213124855.pdf
- https://quizai.com/uploads/files/xiveraxisufuwepezu.pdf
- http://romanasulcikova.cz/userfiles/dedilumisevazoz.pdf
- http://jvcc.cn/ckfinder/userfiles/files/210923123145365216t3ett.pdf
- http://acmemask.com/upfiles/editor/files/29631628355.pdf
- http://crocepadrekolbe.it/userfiles/files/97875931571.pdf
- http://naszemotyle.natura2000.pl/imgturysta/files/jizamekivopu.pdf
- http://kondicionery-dolgoprudny.ru/upload_picture/file/31110504207.pdf
- http://rubivina.com/Images_upload/files/28622676465.pdf
- http://xn--80aatg4aaaddkhfhbf3evf.xn--p1ai/ckfinder/userfiles/files/36483227756.pdf
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d70fcbaad60fba736a0cbdf015f1d218/3485390054.pdf
- http://sgrappresentanze.eu/userfiles/files/47030301368.pdf
- http://rezidencianestor.sk/app/webroot/files/ckeditor/files/80927236404.pdf
- http://abwalabamaave.com/uploads/files/78334273124.pdf
- http://vdi.vn/userfiles/file/53875045359.pdf
- 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_off0000bb99.bin1562ac2f4f780452f9a64012f92c48c1050f5f4c56daa45710766f319764119c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB99 | 10768 bytes |
font_01_sfnt_off0000d45e.bine71705abd493806dcf61b97455fcc0169418c210e29bef7eb16d01992b36021d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD45E | 16604 bytes |
font_02_sfnt_off0000fead.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEAD | 16792 bytes |
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