MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous URLs pointing to potentially compromised websites and link farms, suggesting a phishing or redirection scheme. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports this, indicating the PDF is used to distribute links to malicious content. No scripts were extracted, but the overall structure and URL distribution point towards a phishing attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://infrive.ru/uplcv?utm_term=mulan+rise+of+a+warrior+full+movie+english+subtitles PDF link annotation
- https://mrpressconsulting.com/UserFiles/file/jebozodegavu.pdfIn PDF document text
- https://mavibusiness.it/file/35537417062.pdfIn PDF document text
- http://plenerowe.kbo.pl/ckfinder/userfiles/files/59403334513.pdfIn PDF document text
- https://geneticapanama.com/userfiles/file/lerovabiweve.pdfIn PDF document text
- http://elsped.hu/files/file/31314476375.pdfIn PDF document text
- https://foundationkuzmanov.com/files/vevef.pdfIn PDF document text
- http://jmyhship.com/uploadfile/files/90957293418.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/16131f8fb2d23d---getan.pdfIn PDF document text
- http://dworbieland.pl/userfiles/file/16650301006.pdfIn PDF document text
- https://cyberbirddog.com/userfiles/files/93370645360.pdfIn PDF document text
- http://mariekevanvlierden.nl/survey/userfiles/files/88372290027.pdfIn PDF document text
- https://giltmorestukko.hu/ckfinder/userfiles/files/31067687238.pdfIn PDF document text
- http://ride-on-earth.com/images/blog/file/5211397199.pdfIn PDF document text
- http://pro-group.ru/userfiles/files/24926897904.pdfIn PDF document text
- http://daglichtfilters.nl/ckfinder/userfiles/files/vopezezevojadovosowudub.pdfIn PDF document text
- http://debsecond.net/UserFiles/File/gapuz.pdfIn PDF document text
- http://lecostationery.com/files/file/bukupavatapuboko.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/a413c58c47806dec631119174ffeccc0/75812271694.pdfIn PDF document text
- https://mmrh.myagenda.cz/pictures/editor/files/gifipisa.pdfIn PDF document text
- https://thebillionbottom.com/business_school/uploads/file/66242280933.pdfIn PDF document text
- http://twfbs.com/ckfinder/userfiles/files/15335882568.pdfIn PDF document text
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/75233f55b5a613d319bcb0b4e31e2251/porefunepuzositodevotawul.pdfIn PDF document text
- http://kengosushionlineorder.com/uploads/files/wogibufiwip.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/161354e5418473---bunawigeja.pdfIn PDF document text
- https://bevasilicones.in/userfiles/file/26233681125.pdfIn PDF document text
- http://stellarvvv.ru/ckfinder/userfiles/files/65628748594.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_off0000de1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE1C | 21244 bytes |
SHA-256: 65c13cc60f3040937b43f0793261da7c24e1b6f699eec5d528a915f9d430f040 |
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font_01_sfnt_off00011640.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11640 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012e57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E57 | 11048 bytes |
SHA-256: 5999e1ea3522d85db28ce199db9f657677ea740e55ecbb3c76b7cf4a5679315b |
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