MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to disposable hosting or compromised CMS uploads, indicating a link farm designed to redirect users. ClamAV and ML classifiers identify this PDF as malicious, likely a phishing or malware distribution lure. The presence of external URIs and link farm heuristics strongly suggests an attempt to lead users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://wastran.ru/uplcv?utm_term=where+can+i+watch+the+goldfinch PDF link annotation
- http://lawyergz.net/uploadfile/files/9859578698.pdfIn PDF document text
- https://www.aaptuk.org/ckfinder/userfiles/files/78596495194.pdfIn PDF document text
- http://dfanchem.com/upload/files/nemuretobuvofubadogiwerex.pdfIn PDF document text
- https://fenicia.uy/fenicia.com.uy/uploads/files/guwevine.pdfIn PDF document text
- http://31kouqiang.com/userfiles/file/1630808184.pdfIn PDF document text
- https://detmers-kontejner.hr/files/5880581604.pdfIn PDF document text
- http://ilovehikari.com/uploads/files/85446870937.pdfIn PDF document text
- http://svadbavmoskve.com/content/xuploadimages/file/64219549986.pdfIn PDF document text
- https://gtselect.fr/ckfinder/userfiles/files/tezewegegopobuwibo.pdfIn PDF document text
- http://parejalecaros.com/adjunto/upload/fck/files/jazupakakudavapisuged.pdfIn PDF document text
- http://hoteldazegliotorino.com/userfiles/files/nimawamijinevogofanar.pdfIn PDF document text
- https://banghenails.com/upload/file/dapumur.pdfIn PDF document text
- https://dichvumoinoi.com/ckfinder/userfiles/files/wuzomewebudadelegapi.pdfIn PDF document text
- http://yevres.fr/ckfinder/userfiles/files/dexagagamuwu.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134534e439b1---rivufej.pdfIn PDF document text
- https://cyc-catering.pe/disac/userfiles/file/xalomoro.pdfIn PDF document text
- http://datcat.vn/2018/file/winixukudozanuwutilalaku.pdfIn PDF document text
- http://autolubitel-irk.ru/userfiles/file/wetaxemagaxapesadule.pdfIn PDF document text
- http://first-group.kr/ckupload/files/woledid.pdfIn PDF document text
- http://donateagift.eu/userfiles/file/wisijunixesenade.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16142d232bff46---zovep.pdfIn PDF document text
- http://gibisch.biz/files/files/tiwabulebuvibenabilu.pdfIn PDF document text
- http://ildungrice.com/fileupload/fckeditor/file/joxepubabigo.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/74189731f5f8235cc89644e677f28fd3/vuwelovenuvazakaso.pdfIn PDF document text
- https://accessnepal.org/userfiles/file/98632610443.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_off0000e115.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE115 | 18024 bytes |
SHA-256: c3113113b9b1060e275ed59c74c45e96d03046b514f949b45b1548191481d321 |
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font_01_sfnt_off0001109d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1109D | 10664 bytes |
SHA-256: 429f7ba800fef549a96a08a12c828f79cb16d279a210d02fb99087e75e46df53 |
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font_02_sfnt_off000128d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128D9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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