MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress upload storage locations and disposable hosting sites. The embedded URLs, despite some being marked benign, are part of a broader pattern of redirecting users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609882ed32cc3---12714340870.pdf In PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160982d8e52651---6393977714.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/5b722de3a3f673ba5ca115387dd47478/35451081630.pdfIn PDF document text
- http://maekuangudomthara.com/ckfinder/userfiles/files/xixegidejered.pdfIn PDF document text
- https://xn--pssa17sw71b.tw/upimages/files/gepixuzaroka.pdfIn PDF document text
- http://dancephoto.ru/userfiles/files/bupajobomomurudoxana.pdfIn PDF document text
- http://thaiboxes.com/piceditor/file/watefugidoboselobifeju.pdfIn PDF document text
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/4d9ee28166e512bc1ece46aa52693f13/59686220917.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f361594e0c---soretoxefu.pdfIn PDF document text
- http://ms-domino.eu/images/file/files/82660423388.pdfIn PDF document text
- http://brezov-gaj.si/uporabnik/file/33410577106.pdfIn PDF document text
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/kps0o4tt38c8i1h3ipd36d9507/kovojazoromatifulujumuke.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16098972abae7a---1145787474.pdfIn PDF document text
- http://mateuszkucharski.pl/admin/file/347768937.pdfIn PDF document text
- http://myappartement.de/web/editor/files/24971150445.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160928854756d0---7692208826.pdfIn PDF document text
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160becd1be609a---gedobawep.pdfIn PDF document text
- https://www.supremecaravans.com.au/application/third_party/ckfinder/userfiles/files/30310784152.pdfIn PDF document text
- http://artgraf24.pl/userfiles/file/59396133117.pdfIn PDF document text
- https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/801c896ccaf82fbcea359001bc424656/gubojobukogiperekukazafe.pdfIn PDF document text
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/a8723994fdf8c9d75eefad2883d9574a/vigivizeronosexuwosid.pdfIn PDF document text
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/mkdtteneh0gqa0f1u99rf86qu1/54410311472.pdfIn PDF document text
- https://mdteam.se/ckfinder/userfiles/files/dokelexebuzas.pdfIn PDF document text
- https://crownprolaw.cn/userfiles/Proj_Name//files/duvokogimizifamefavin.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081f64f5f1ba---94063184085.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=example+of+fire+evacuation+plan+for+homePDF 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_off000109cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109CB | 17640 bytes |
SHA-256: c167e2ca42bb1923db27a878eb820e21f78d7983456698504afc56ffce42df5c |
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font_01_sfnt_off00013785.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13785 | 10828 bytes |
SHA-256: 8ffa906d4d9f7fbd49c80c8159246a1976c1a30b6bb523e805af9944ec222a70 |
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font_02_sfnt_off0001504a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1504A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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