MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The ML classifier and ClamAV detection strongly indicate this PDF is malicious, specifically flagged as phishing or a trojan. The presence of numerous links pointing to compromised CMS uploads and disposable hosting suggests a link farm designed to redirect users to malicious sites. The PDF's structure and embedded links are consistent with a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://abwmarlboropike.com/uploads/files/76621240886.pdf In PDF document text
- http://alconburyreunion.com/clients/36523/File/64106868432.pdfIn PDF document text
- https://t2sc.me/userfiles/zimavotemumoropisodavawu.pdfIn PDF document text
- http://dtcguild.org/clients/80367/File/44002542966.pdfIn PDF document text
- http://hpworld.hu/data/pic/Image/file/gamosakowezemekatawene.pdfIn PDF document text
- http://autowassenindex.nl/images/uploads/tofujowa.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbe0260f76---gopokivudat.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16098a02eb80bf---21362759924.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/bbc5efe1d08798ca0b899d6cc98f430c/4863268184.pdfIn PDF document text
- https://thealloywheelcentre.co.uk/wp-content/plugins/super-forms/uploads/php/files/dfb7f293e296f286ec090e27ae03819f/87599769928.pdfIn PDF document text
- http://sacoorhealth.pt/site/upload/file/sexubetupufanilu.pdfIn PDF document text
- https://kaktutzhit.by/uploads/files/vobamulaxadasida.pdfIn PDF document text
- http://ipost.mn/ckfinder/userfiles/files/difirasitabesatogib.pdfIn PDF document text
- http://abogadosaguilar.com/ckfinder/userfiles/files/vagusuwodofinezaw.pdfIn PDF document text
- http://dotacjedlaoze.pl/userfiles/file/noluv.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608ea24d955a7---10001927301.pdfIn PDF document text
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16098ef9d498ad---lijumetofiwumuribopilufif.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a078b910f---85252757479.pdfIn PDF document text
- http://www.bandungmesin.com/file/kunip.pdfIn PDF document text
- http://xhiehchin.com/Xhieh_News/_file/51579307729.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=scion+im+manual+transmission+for+salePDF 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_off0000ad53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD53 | 15200 bytes |
SHA-256: efe9702a6cc0bd65e347627e4bb0406354f5f1de2191d6518ab36fd049122f77 |
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font_01_sfnt_off0000d439.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD439 | 10672 bytes |
SHA-256: 7271eb0a446fd61c839a3feb3f0de538be5285131cae729bd29b586e6b97c6b5 |
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font_02_sfnt_off0000eca9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECA9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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