MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and numerous links to external sites, many of which are hosted on compromised CMS platforms. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway scanning. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to deliver a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://spamsmsgiare.com/media/ftp/file/valenesafamomadunikulule.pdf
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b8bc6b537b---19958660068.pdf
- http://cleanyachts.it/writable/public/userfiles/file/2145863780.pdf
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/67efa28835242ab9ee91db93d558eb7c/90985064922.pdf
- https://idd.no/ckfinder/userfiles/files/52185326547.pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072eb0f22cdb---nilajoteziva.pdf
- https://soudurelauziere.com/upload/editor/file/bizopam.pdf
- https://bestcaps99.com/ckfinder/userfiles/files/labizivoveso.pdf
- https://www.studioline.ie/ckfinder/userfiles/files/tetanilevo.pdf
- http://headrepublic.pl/images/files/30080482120.pdf
- http://onnetsolution.in/userfiles/file/4493484700.pdf
- https://binarbaid.com/public_html/userfiles/file/fobagaxutusuti.pdf
- http://hotspot-usa.com/js/upload/files/2323364563.pdf
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/22d566ed3dc6fc65c69f6946dd58818a/51576260895.pdf
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bf42564a01c---30074962419.pdf
- https://thefertilizergranulators.com/d/files/96443604209.pdf
- http://africanhairbraidingsalon.com/userfiles/file/bubitose.pdf
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/ubpfuea6mk4vmoa9r73u8rlbqg/45200871192.pdf
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce4bc193f9---pusoziverivuzipetilef.pdf
- http://aapltd.net/userfiles/file/35495986260.pdf
- http://orderkiwicafe.com/uploads/files/zomazujojomep.pdf
- https://tipresentoio.it/images/file/84000005962.pdf
- http://fittbike.hu/files/file/74058984864.pdf
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/0e2e4b2e3ababccbc4f6306384f2b20d/9743622493.pdf
- https://ytdrive.com/CKEdit/upload/files/30248272449.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=jeep+grand+cherokee+2016+user+manual
- 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_off0000dcbd.bin6989b9d163b3ea03a77230a25defc2722bbd946433aeb4c9e51d95992d5345f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCBD | 17048 bytes |
font_01_sfnt_off00010913.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10913 | 16792 bytes |
font_02_sfnt_off0001212a.bin7636041fe6e4d27bfd12c09f842737242f7f9cd9ed0df5d5c86c947120cfaae1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1212A | 11416 bytes |
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