MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a ML classifier and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or malware distribution scheme. The presence of multiple PDF link farm heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9967
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 http://krzeptowski.pl/file/30358288848.pdf In PDF document text
- http://canxetaidientu.com/images/file/30779333818.pdfIn PDF document text
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/cmu1d9k1fu56gmke8lmdts8vbd/nefevigagogukerefanef.pdfIn PDF document text
- http://www.dfdtrading.sk/ckfinder/userfiles/files/55906522229.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/b7004826e7feb6a5e0f8c5037bb57018/69648005055.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/mepefakifusap.pdfIn PDF document text
- http://ggmtc.net/userfiles/files/popoxasit.pdfIn PDF document text
- http://essiac.cz/UserFiles/file/2323219418.pdfIn PDF document text
- https://internationalmedia.com/userfiles/file/kovajogunozopadenerijo.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136e7fd4e511---vajokike.pdfIn PDF document text
- http://dallard.fr/ressource/site-image/files/risatedakavomik.pdfIn PDF document text
- https://vishalahospitality.com/ckfinder/userfiles/files/91586363930.pdfIn PDF document text
- http://pnmanagementsolutions.in/uploads/gabifizofilinuxaranirale.pdfIn PDF document text
- http://e-motyle.natura2000.pl/imgturysta/files/12037002780.pdfIn PDF document text
- http://maidichike.com/upload/files/bekemuguzefu.pdfIn PDF document text
- https://tattica.byespresso.com/app/webroot/files/upload/files/mulovosutitupulaluzijan.pdfIn PDF document text
- https://hoakhanh.vn/uploads/image/files/zagoreza.pdfIn PDF document text
- http://cokhilegia.com/upload/files/doluwunafi.pdfIn PDF document text
- https://2winit.com/Files/files/29058210032.pdfIn PDF document text
- https://poganyvolgyi.hu/userfiles/file/28593702143.pdfIn PDF document text
- http://uniroll.pl/user_images/file/sokugej.pdfIn PDF document text
- https://adurucui.com/ckfinder/files/teror.pdfIn PDF document text
- http://www.cddfct.com/up_files/file/wunokosepewej.pdfIn PDF document text
- https://burragebrothers.com/demo/jolie/beta/userfiles/files/10757164780.pdfIn PDF document text
- http://vitrine-prof.com/files/18314535374.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=cranking+simulator+fortnite+codePDF 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_off0001413a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1413A | 18960 bytes |
SHA-256: 22d5bffaff61879a5c04f7560d971b54f1704163f5e7e2288b4598486fe3de4d |
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font_01_sfnt_off00017282.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17282 | 11040 bytes |
SHA-256: 68b9d49aadd400098c2d5242fc0425c5849e7feab7766d06c129687f2b72b7c6 |
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font_02_sfnt_off00018c08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18C08 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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