MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a link farm pointing to multiple compromised WordPress sites and disposable hosting, suggesting an attempt to redirect users to malicious content. The presence of external URIs and a link farm indicates a likely spearphishing attachment used to lure users to external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
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://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/n7a3v5aa6rso8hos1ckage9sj4/69981184298.pdf In PDF document text
- https://davidfauquemberg.com/home/fauquemb/david/bbdg_site/userfiles/file/54799493264.pdfIn PDF document text
- http://musicfriend.vn/public/default/ckeditor/files/xadodisozejus.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7f79fa5448---wizukedurijadij.pdfIn PDF document text
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/d0sqgg5ujn493h4ortacst1ed5/gutixuvuviveke.pdfIn PDF document text
- https://lasanisports.com/files/kunakumamogidenunonuxogi.pdfIn PDF document text
- https://greenline.bg/userfiles/file/ruxikav.pdfIn PDF document text
- https://toyotaautobody.com/ckfinder/userfiles/files/53367809642.pdfIn PDF document text
- http://panziofabian.hu/fck_kepek/levupotosadilufivakezoxel.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/e1a4cf9bc65849f1b9c1e6e8c6da0c17/79839013178.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1569062261---lomunogap.pdfIn PDF document text
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102f52de9af5---seposojolajigegubalo.pdfIn PDF document text
- http://oilandgaswork.com/userfiles/file/sereja.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf2ece8d39---25332957110.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/95342696521.pdfIn PDF document text
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/d83acee741cf5b52fe7927f90917bbf9/turefupafisik.pdfIn PDF document text
- http://anpo.vn/upload/files/renokiledoxazate.pdfIn PDF document text
- http://alrehabourhome.com/userfiles/files/sivefalonuzupiworena.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b908f5b4ad---94954717386.pdfIn PDF document text
- http://ecohort.com/userfiles/files/40882151608.pdfIn PDF document text
- http://baocaosuhoatoc.com/luutru/files/42816491009.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c40dff5e9ac---44485749775.pdfIn PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/9c5a7076218f40c0b172bc980e082644/kanapiruro.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/apkmqdm11fk3fc4jf6mkkmmpl3/rubikakitozolid.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/a9aro8hg5b4rulhmtu78a8k7cc/1014242095.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=assistant+teacher+interview+questions+and+answersPDF 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_off0000e6a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6A8 | 16748 bytes |
SHA-256: fe673c3a59dc9a2c9ac567e61544093dea6efda9834c5ee570754302682edb61 |
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font_01_sfnt_off000111ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111EA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012a01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A01 | 10800 bytes |
SHA-256: 9d53621cf721e6ab4054d2c925a230dca992653735b487396e226dca30214d2a |
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