MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many pointing to domains flagged as disposable or compromised, indicating a link farm designed to lead users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://xn--h49al33a2zdp0eo1x.com/DATA/file/20210523153213.pdf In PDF document text
- http://orvosvalaszto.hu/uploads/files/segelo.pdfIn PDF document text
- http://mextro.de/upload/files/44547385338.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/s6krtp9tc0dk7vv4tukhtfrjcf/35417430659.pdfIn PDF document text
- http://inbjnews.com/data/cheditor/0603/files/4242113056.pdfIn PDF document text
- http://leaguengn.com/userfiles/file///65716459580.pdfIn PDF document text
- http://wadirumshootingstars.com/userfiles/file///nujogolemijusabarot.pdfIn PDF document text
- http://mav-auto.ru/images/file/76650514245.pdfIn PDF document text
- http://ediliziaunoaventi.com/userfiles/files/tevokanateduwonibuxowux.pdfIn PDF document text
- http://sys-svinding.dk/userfiles/file/tadefobuw.pdfIn PDF document text
- http://pincailight.com/zk/UploadFile/file/2021081403232873499.pdfIn PDF document text
- https://hoatuoi360.vn/uploads/files/25049296560.pdfIn PDF document text
- http://arniestribu.com/campannas/file/bebadisamidafovizi.pdfIn PDF document text
- https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/66934974e9a0fa3e32f18217ef07fc28/mejatajoxenaxoponul.pdfIn PDF document text
- https://ski-valloire.com/ckfinder/userfiles/files/53240660734.pdfIn PDF document text
- http://maxidmum.com/images/upload/fck/file/55979721348.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608196a5dfd16---80100160041.pdfIn PDF document text
- http://thesetnews.com/images/fckeditor/file/narujewoporodurejisuto.pdfIn PDF document text
- http://piau-po21inn.com/CKEdit/upload/files/94166789652.pdfIn PDF document text
- https://alasclub.gr/neuro/ckfinder/userfiles/files/dipizolipelajezi.pdfIn PDF document text
- http://dragonspond.com/uploads/files/65830048264.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=asme+sec+viii+div+2+2017+pdfPDF 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_off0000e517.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE517 | 10544 bytes |
SHA-256: 273b675fdee56ed5f4c10b034d29d9752d148d2e81392b205228669ec9d0c028 |
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font_01_sfnt_off0000fd45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD45 | 19012 bytes |
SHA-256: 0a42026d9cc39839971bab6b01a970f4acdfa6f206b1675a94a4079a9769cd4e |
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font_02_sfnt_off00012d71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D71 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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