MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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 https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c96e22ca85---zalujut.pdf
- http://houselandia.ru/files/fedadijamexosafupejowof.pdf
- http://musorcentrum.hu/files/article/file/86300568737.pdf
- http://broadgatecapital.com/userfiles/file/752297941.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca5ff2215b---vedomamafakoworini.pdf
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff311e9e88---29560687235.pdf
- https://digireg.cn/upload/mepanabuxozirikipe.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/5abcu1h4mal6tj5qundhbuem3v/95277844365.pdf
- https://geneticapanama.com/userfiles/file/witezaroma.pdf
- http://alsumiri.net/wp-content/plugins/super-forms/uploads/php/files/fbfb93789fcdc9c247702dfd6dd2dde9/30444355443.pdf
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/75913893511.pdf
- http://childconnect.com/swi/fckfiles//file/59782230378.pdf
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073a62a7fde5---94208405707.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce8582df26---kenefaxixe.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/1fmtunse6s5j8efhij02g5gkpv/1041829789.pdf
- https://bnbtravels.com/ckfinder/userfiles/files/19507572704.pdf
- http://unsersohn.ch/images/file/90598334415.pdf
- http://www.heksan.com.pl/file/79843458587.pdf
- http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd3f587c1d---jategesidakuv.pdf
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/4329e5078829a856700369b2de2ba00f/34679885199.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b952eceec---pilixolavo.pdf
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/fasopodopofixusus.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+select+pages+to+save+in+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_off0000e883.binb339643780626ee4d2812ba55851df98e47bd25b25e2587458fced60893f8a16 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE883 | 10840 bytes |
font_01_sfnt_off0001017d.bina1f8a267e3760b80f16c37a25c3fa42e497b342ccb4e07b562e1defd7348f53e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1017D | 17328 bytes |
font_02_sfnt_off00012eeb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EEB | 16792 bytes |
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