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. It contains numerous external links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users. The presence of these links and the PDF structure strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9844
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://vandolderskb.com/images/usr/84107677899.pdf In PDF document text
- http://cec-intl.ru/app/webroot/files/file/45174462767.pdfIn PDF document text
- http://mevlanaasm.com/resimler/files/zumidapivobagimonujireba.pdfIn PDF document text
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/a2d050ea607189660ac853a6c9308ab1/pugafizu.pdfIn PDF document text
- http://bhs1966maui.com/clients/64750/File/89255824578.pdfIn PDF document text
- http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/92628361507.pdfIn PDF document text
- http://espressoperfetto.nl/app/webroot/files/userfiles/files/zumukepinobifek.pdfIn PDF document text
- http://arohitourandtravels.com/userfiles/file/98379469658.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/6bdec23d4fe4514e4d9c5b4c03310f01/57105603131.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607215a3061d8---46029754049.pdfIn PDF document text
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d36ef7b09e---34314693703.pdfIn PDF document text
- http://alompar.hu/uploads/content_files/files/bodotaliwewokalepal.pdfIn PDF document text
- http://seoulmenu.com/uploads/files/fuboxubivozib.pdfIn PDF document text
- http://dansensvenner.dk/imagesfile///15090540957.pdfIn PDF document text
- https://traiteur-troyes-mariage-buffet-aube-10.blaisot-traiteur.fr/ckfinder/userfiles/files/nonejofagatupepis.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3df42e4a7b---maduketibufi.pdfIn PDF document text
- http://snsi.jp/image/news_file/gitudem.pdfIn PDF document text
- http://studiotecnicoforace.eu/userfiles/files/sajezuwixaguxegonaki.pdfIn PDF document text
- https://rybczewice.pl/userfiles/file/19204168149.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608802d844fac---92178534273.pdfIn PDF document text
- http://dmscsmartlifeblog.com/userfiles/files/73574476500.pdfIn PDF document text
- https://atcotourismtravel.com/userfiles/file/pulepuvarowa.pdfIn PDF document text
- http://klefmarken.se/upload/file/giduko.pdfIn PDF document text
- http://backkwang.com/userData/board/file/83576890051.pdfIn PDF document text
- http://quangcaovuanh.com/vietkiendo/upload/file/mimamafovi.pdfIn PDF document text
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/70c476036c15709097ea49cfdb265793/37828505064.pdfIn PDF document text
- https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/03a378b902dc2a8ae4115c0e13babf16/1112138165.pdfIn PDF document text
- http://gerocuki.hu/user/file/nunekaru.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=blink+inteligencia+intuitiva+malcolm+gladwell+pdf+gratisPDF link annotation
- 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_off0000ce63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE63 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e67a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE67A | 11360 bytes |
SHA-256: 12bc173a4d5221eb89584eef63692e014f9558a61b32af2e4ba99a1728a62214 |
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font_02_sfnt_off00010118.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10118 | 17868 bytes |
SHA-256: 8fcfec8a8fbc7df2ed64e162d2ba5e9963dd78ae3dc82275f8cdd39d1b1985ba |
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