MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as containing a link farm, with several URLs pointing to potentially compromised or disposable hosting. The ML classifier and ClamAV also identified the file as malicious, specifically as a phishing or trojan variant. The presence of numerous unknown URLs suggests an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://mebelhotel.ru/userfiles/files/88353759075.pdf In PDF document text
- https://ccaquebec.com/userupload/files/fuzorabozidej.pdfIn PDF document text
- https://bselink.com/userfiles/file/17604185524.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/qgr7i5mbhuf3pcu24a390gqef7/tagunemejijunurip.pdfIn PDF document text
- http://sghr.ca/upload/ckfinder/files/64244346684.pdfIn PDF document text
- http://tizianaiberti.it/userfiles/files/2276138685.pdfIn PDF document text
- http://sinorarechem.com/upload/files/97347403154.pdfIn PDF document text
- https://www.bosingels.nl/ckfinder/userfiles/files/33498363681.pdfIn PDF document text
- http://mrukseo.pl/userfiles/file/61766368841.pdfIn PDF document text
- http://www.mostenpo.jp/userfiles/files/21289198940.pdfIn PDF document text
- http://mamolenasnc.it/userfiles/files/valiruxorudilanibi.pdfIn PDF document text
- https://theloneranger.tv/clients/loneranger/ckfinder/userfiles/files/17908846598.pdfIn PDF document text
- http://mp-hd.de/data/aktualnosci_imgs/file/lopidojetumanikir.pdfIn PDF document text
- https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/putuzirajugowete.pdfIn PDF document text
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/61410911753.pdfIn PDF document text
- http://gaudi.tw/upload/file/21580136978.pdfIn PDF document text
- https://bartonsteel.com/tony/barton/ckfinder/userfiles/files/lutenimumisagad.pdfIn PDF document text
- https://indoshaolinkungfusociety.com/ckfinder/userfiles/files/54716370974.pdfIn PDF document text
- https://burgas-remonti.com/userfiles/file/11916058993.pdfIn PDF document text
- https://lenaoyunlar.com/calisma2/files/uploads/99233838247.pdfIn PDF document text
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132d1efa3871---lugowu.pdfIn PDF document text
- http://bhk-aindling.com/userfiles/files/vufimavilegisuzopupazopi.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/cd24659e0f7761851e8207a46984fcb6/wugosasiguzaxepupesaxi.pdfIn PDF document text
- http://lukasikgroup.pl/Image/files/pigukupubazixakow.pdfIn PDF document text
- https://jahanchart.ir/data/files/file/10049380438.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+backup+telegram+chat+on+iphonePDF 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_off0000d9b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9B2 | 17492 bytes |
SHA-256: 07cd42f0f5bd9569878a087a15481cf01291f4952fa15d5ea1c51f90d2d7e35c |
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font_01_sfnt_off00010703.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10703 | 11064 bytes |
SHA-256: 386d9091cf7a891532548ca572a904a50f47f29acd333ebb12e4ede55c5851fc |
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font_02_sfnt_off00012069.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12069 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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