MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with multiple URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The PDF structure itself does not contain readable content, but the embedded links are the primary indicators of its malicious function.
Machine Learning
- Nyx PDF Classifier malicious score 0.9797
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=ivan+pavlov+theory+of+classical+conditioning PDF link annotation
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/2bde7740e0685969d56c2fa3748bff34/8143130787.pdfIn PDF document text
- https://gitedu.in/ckfinder/userfiles/files/telamujotalul.pdfIn PDF document text
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b3e66f56340---81784311491.pdfIn PDF document text
- https://media-get.ru/userfiles/files/54531415859.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609d708f9818f---tovon.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ac8fc686c---lenowenumosojadepuwa.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/9aa5248c6d2c0f4d6b4a26abb6edbd6a/zudanogatep.pdfIn PDF document text
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/fd76b469c0e972e0e937153bcf6f821a/50102124375.pdfIn PDF document text
- https://psihodesk.ro/ckfinder/userfiles/files/58141168509.pdfIn PDF document text
- https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/f751e25455650d671a7a87cd714c3654/65284492771.pdfIn PDF document text
- http://surmounttravel.com/userfiles/files/6834759822.pdfIn PDF document text
- https://windsbs.biz/files/file/fasidudavodota.pdfIn PDF document text
- https://www.temsilcifirsatlari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075888369f45---norezewaruzeripuxipiweri.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073c47839bfb---bafigixodifasupuseg.pdfIn PDF document text
- http://helder-effect.nl/userfiles/file/85760147630.pdfIn PDF document text
- https://tramhuonghanoi.vn/upload/files/didutiwuwomimo.pdfIn PDF document text
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5dc5f10f20---xejezapek.pdfIn PDF document text
- http://all-pass.com/folder/editor/file/raguje.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd5366e84a---jivesewosonevugegodutota.pdfIn PDF document text
- http://architettoangeli.it/userfiles/files/tutisifefufinuwaserokutaf.pdfIn PDF document text
- https://protechlighting.com/wp-content/plugins/super-forms/uploads/php/files/327f124a76c608e5d7785a8637c63304/96142127167.pdfIn PDF document text
- https://maggies-handmade.com/UserFiles/files/fokorugudubin.pdfIn PDF document text
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/3a13fcdd299841b344d8e2c1ee734393/vapetera.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160864b941176b---fesebolizujazoxukuxaxo.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c114db875ee---tuxefukeka.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/ab1865c85158saionifsra0qd4/kesasedabikewuberoxek.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_off00014908.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14908 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001611f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1611F | 11032 bytes |
SHA-256: 78ccd89bb5acb45eb8558ada390519e1fec77e01af3a544e9e4b0b4663167c6b |
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font_02_sfnt_off00017a8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17A8B | 17572 bytes |
SHA-256: 70679a771e4b14e87bc3b576dc4049b37f86e7c5f7088085d8155152cadca33e |
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