MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a link farm pointing to multiple external websites, including compromised WordPress uploads, which is a common tactic for phishing or distributing further malware. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of external URIs and a link farm suggests an attempt to redirect the user to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://oniceh.ru/uplcv?utm_term=fifa+20+coins+hack+pc PDF link annotation
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/alk9eddln458j40qdq0ae3ei74/34865011481.pdfIn PDF document text
- http://alacarte-design.de/userfiles/file/kififusagoromazekirema.pdfIn PDF document text
- http://ad.ditroinfotech.com/laportal/ckeditor-ckfinder-integration/uploads/files/sizekewakujapulunod.pdfIn PDF document text
- http://klenderbio.com/upload/files/dobatisufubes.pdfIn PDF document text
- http://geologocarmignani.com/userfiles/files/mazezonirizu.pdfIn PDF document text
- https://jnvhardoi.org/ckfinder/userfiles/files/26162934162.pdfIn PDF document text
- http://samafb.org/uploadfilefiles/tomekutinusujugasumolox.pdfIn PDF document text
- https://icbacademy.com/upload/files/benapuzuwu.pdfIn PDF document text
- http://jiji.pgo.tw/pic/uploads/files/fozewizipukowixopa.pdfIn PDF document text
- https://odlingfamily.com/userfiles/file/xaresedibibivoduxevuzeju.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5212941f4---bisazosanikila.pdfIn PDF document text
- https://burlingame.com/wysiwygfiles/file/xorupunozujepi.pdfIn PDF document text
- http://xn----8sbaqfskngn1qi.xn--p1ai/userfiles/file/rovedobukoxonibe.pdfIn PDF document text
- http://teedinmaesai.com/user_img/file/19828505616.pdfIn PDF document text
- http://generaldistco.com/images/file/fagediwigudimopikenajibas.pdfIn PDF document text
- https://soroptimist.be/oldsite/intranet/ckeditor/ckfinder/userfiles/images/files/33901352312.pdfIn PDF document text
- http://terralis.net/catalogue_dynamique/file/mokusajimaboru.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/e5cd251ef39b335e8892fd073ba08f33/pebadenuluvebodano.pdfIn PDF document text
- https://inks.bg/userfiles/file/51319168974.pdfIn PDF document text
- https://pakistanchristiancongress.pakistanchristianpost.com/userfiles/file/sakosan.pdfIn PDF document text
- http://llux.vn/uploads/files/51995630147.pdfIn PDF document text
- 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_off0000abef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABEF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c406.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC406 | 10512 bytes |
SHA-256: de7d6ad27350eb516a90755633d1e16251a3df9ba1d1c0673dfaa402a4502825 |
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font_02_sfnt_off0000dbe1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBE1 | 14700 bytes |
SHA-256: 6dced8767de1fe0c2278d609e166c6bb67732ebd786dd0be310d1d9a28f42c94 |
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