MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URIs, many of which point to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of an IP address literal in one of the URIs further increases suspicion.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://bnovum.hu/downloads/93802578841.pdf
- http://www.kickcommerce.com/userfiles/file/siporezisotisipol.pdf
- https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/4999d7373e0c49291ecfce3d4705a551/gesoguzus.pdf
- http://am-assets.com/aom/magnolia/userfiles/file/popamusofifugamamirobane.pdf
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d99d5e01331---32710670909.pdf
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160baf472ce0d4---73009725403.pdf
- http://sacoorhealth.pt/site/upload/file/zedadopomirujuxibo.pdf
- http://slippersymposium.com/clients/875641/File/weduloganafokonos.pdf
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16096364c3c4e1---buzujopido.pdf
- http://sladkiy-ostrov.ru/userfiles/files/wakosilojubexudizosa.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/msgkmf9f4i8hrkhklf7aj3oo31/79340635451.pdf
- https://dimensioninteractive.com/WYSIWYGImage/file/50178806666.pdf
- https://pametnidom.hr/pametne_kuce/userfiles/file/javaderat.pdf
- http://foodchemsino.com/d/files/37883172494.pdf
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/b830bb0b9312e534f009a14128587e07/vasosiweloxulu.pdf
- http://www.cerathai.com/image/upload/File/51536540741.pdf
- http://conblocmanado.com/pics/file/5144970268.pdf
- https://b2cexpressdemo.com/userfiles/file/78749527883.pdf
- https://fanaf.com/article_ressources/file/83451081920.pdf
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/h5t5u00o2adbclne8m330a74do/fefubi.pdf
- http://flagrant-desir.com/userfiles/file/lojixolidudemokufazimuje.pdf
- https://bonafideonline.com.ar/wp-content/plugins/super-forms/uploads/php/files/11e28bd41b5982a307b72ed12f0595e2/gijudivud.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=view+word+count+in+pages
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ca36.bin8ad94157bf59e9b21054a653d550080eaa4830f81e66c47f88672c7a01134380 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA36 | 16120 bytes |
font_01_sfnt_off0000f38e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF38E | 16792 bytes |
font_02_sfnt_off00010ba5.binb0ae3307292434beefe60813f335571e606b45c2802a73a8d21debaff0baaaa0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BA5 | 10796 bytes |
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