MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. The document functions as a link farm, containing numerous URLs that point to other PDF files hosted on various domains, some of which appear to be compromised WordPress sites. The presence of 'utm_term' parameters suggests a potential phishing or SEO manipulation tactic to lure users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://allytemp.ru/uplcv?utm_term=best+hd+wallpapers+for+android+mobile+full+screen PDF link annotation
- http://www.somdattabasu.com/fckimages/file/67839804867.pdfIn PDF document text
- https://gospel-streams.com/asset/ckfinder/userfiles/files/jugipo.pdfIn PDF document text
- https://alley.52886.tw/uploads/files/76471516804.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/044bb011693bb1247f35d2fdb670ee9a/84157587436.pdfIn PDF document text
- http://beergolfers.com/blog/images/file/85006124676.pdfIn PDF document text
- http://wxbeimei.cn/upload/ckimg/files/202109170438413472.pdfIn PDF document text
- http://eastindiaspray.com/suvra/eastindia_spray/files/rilolakezajupi.pdfIn PDF document text
- http://nacyc.jp/Upload/file/54491976713.pdfIn PDF document text
- https://leciv.fr/uploads/FCK_files/file/fubinagiweritavigizej.pdfIn PDF document text
- https://ijmscr.com/ckfinder/userfiles/files/43429732595.pdfIn PDF document text
- http://winterwonderlandzundert.nl/uploadimages/files/76245983767.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/16136f4f594e9a---72072382558.pdfIn PDF document text
- http://jinistudy.com/_UploadFile/Images/file/7387172324.pdfIn PDF document text
- http://businessdevelopmentcenter.pl/uploads/userfiles/files/xixuku.pdfIn PDF document text
- http://pzhjintai.com/upload/files/8028319347.pdfIn PDF document text
- http://vaynhe.com/upload/files/92628505167.pdfIn PDF document text
- http://www.ccengis.be/applications/ckeditor/addons/ckeditor/ckfinder/userfiles/files/78386020719.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/8387a73eddbca0362b516087e27ccb5d/kumaz.pdfIn PDF document text
- https://angelsforwarriors.org/userfiles/files/83777815806.pdfIn PDF document text
- https://transport.frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/20018299066.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/9141d3ae82d692ab599001042558e700/tomugipa.pdfIn PDF document text
- http://como.gattinonimondodivacanze.it/themes/userfiles/files/mirixo.pdfIn PDF document text
- http://www.gonouvellezelande.com/files/3867803509.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_off0000daf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAF4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f306.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF306 | 17080 bytes |
SHA-256: e482b3f53b8e641528dc39b1fdd564c0ed7fa27bd601adf57fad9a7fbb9cf23c |
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font_02_sfnt_off00011f01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F01 | 11264 bytes |
SHA-256: 6c456bb6c196825d58ae3a32b9039665b0eb0c26ce56fb99028aed2a7f008cc1 |
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