MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many of which point to compromised websites or are hosted on disposable domains, indicating a link farm designed to lure users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9941
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://naasschoolofmotoring.ie/fckeditor/userfiles/file/56071183216.pdf
- http://demkapi.com/resimler/files/58638541543.pdf
- https://vilus.cz/userfiles/file/78427834285.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/161356f0e385e0---55824779532.pdf
- http://www.museopizarra.com/ckfinder/userfiles/files/lajajadole.pdf
- http://techscreening.com/userfiles/files/lomajaveronivuvam.pdf
- http://vilocom.net/webroot/img/files/53375669948.pdf
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/0d07185b5dee805a507f56d0627b4b49/5506835801.pdf
- http://realcomfort.ru/content/upload/file/64624936822.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134fad86da7c---dakitubelowijewixetirag.pdf
- https://deshpanday.com/ckfinder/userfiles/files/60596763667.pdf
- http://www.medicellbank.com/userfiles/files/78545225734.pdf
- https://gsacademy.ge/uploads/files/11223824794.pdf
- http://eraldocomo.it/userfiles/files/jonelifuvijiw.pdf
- http://raffaelecavazzoni.com/userfiles/files/5999441029.pdf
- http://gsxr.hu/userfiles/file/fubamojudijetifunolug.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130f15e7472d---70539885000.pdf
- http://romanasulcikova.cz/userfiles/wusexuxoxakitonamoragapu.pdf
- http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/28809333405.pdf
- http://sandlnae.com/data/editor/file/xotibisidumafik.pdf
- http://www.aragonemprendedor.com/userfiles/files/gapirenabilopuga.pdf
- http://sdtrafficticketlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fepun.pdf
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/c5a6755bcfcc8481eaef1449935df740/ziwever.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=m+tube+apk
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000de5a.bin4f43ac8a43f34a3429f2ef7c96bc1272303b2341cecec218ab76751b7b6f8478 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE5A | 9940 bytes |
font_01_sfnt_off0000f43f.bind7c5b58c45cbff52197f2808c40466e6081921cbcfbd11d9b21abaaadaa69b0c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF43F | 17568 bytes |
font_02_sfnt_off00012197.bin0e4cde3d5bdd5452960de995a4807c8da4ec665155a9812e2f8e54e6c49b7878 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12197 | 16448 bytes |
font_03_sfnt_off00013870.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13870 | 16792 bytes |
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