MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm with numerous URLs pointing to compromised WordPress sites and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. No scripts were extracted, but the structure and embedded URLs are sufficient to infer a malicious link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a23259c8b97---tuferurojalutebopi.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/zaruxefewalimov.pdf
- http://archpiudue.com/userfiles/files/59166623227.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0adfbf2070---33705686365.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608379fc483e4---81264466008.pdf
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/6a9s739l6omdph9tm2kdqk5lt3/90662363542.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/16221447ab631cea1286be66d7b971fc/noxeworoxegifefijuzedasov.pdf
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/b887a68b3185fc483265c017beee70d7/lezuzi.pdf
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc83e81c63---23979723456.pdf
- http://jaatkinson.com/userimages/22023908746.pdf
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608d184135a6f---34483168735.pdf
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb75f6d2f7---vujuwovoxuradezas.pdf
- http://studioingegneriavaragnolo.com/userfiles/files/41210166225.pdf
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b57a52bf8---47098609729.pdf
- http://raffaelecavazzoni.com/userfiles/files/migemuwelajuruzifuwi.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16084193e3cd8a---6732426733.pdf
- http://nhasachconggiao.com/luutru/files/65980072613.pdf
- http://xn--rssx31a7tec6p.com/upload/userfiles/files/20210709034936.pdf
- https://pacantioquia.org/aym_image/files/60114041700.pdf
- https://poker-fire.de/file/38001417273.pdf
- http://lanaecoloridabruzzo.it/userfiles/file/11949428700.pdf
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160718f3045818---71331544235.pdf
- http://baliretreatcenter.com/olabali_ci/media/images/newsfiles/timekonurasipunekipi.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=importancia+del+comercio+exterior+peruano+pdf
- 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_off0000ec1c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC1C | 16792 bytes |
font_01_sfnt_off00010433.bin59d0e3cc89531e8b0784cef42c6711b949e88f2d28800a4f628fe59d824f4a44 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10433 | 10768 bytes |
font_02_sfnt_off00011ce8.binaba5adc1e8a04c57001798bd375305aacb6770f1c64398e2f805bbac94763409 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CE8 | 19560 bytes |
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