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 disposable hosting or compromised CMS upload directories, indicative of a link farm designed to redirect users. Heuristics and ML classification strongly suggest malicious intent, with ClamAV identifying it as a phishing trojan. The primary attack pattern involves luring users through a malicious attachment to a site that then redirects them to other potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://cegled.varosom.hu/userfiles/files/14352284400.pdf In PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1cb1e0e04---55011992016.pdfIn PDF document text
- https://ipic.vn/userfiles/file/gilomid.pdfIn PDF document text
- http://boldogelet.hu/media/tedupaxobunixekoxalapin.pdfIn PDF document text
- http://espressobuilders.com/app/webroot/files/userfiles/files/zisudevaboferuwobunaniw.pdfIn PDF document text
- https://zapret-rf.org/web/img/podborky/files/gevimeduzujoxukami.pdfIn PDF document text
- http://jevades.com/aircraft/fckimages/file/kevebuzikaromo.pdfIn PDF document text
- https://hinodanang.com/uploads/image/files/nonajegawejiwixixakew.pdfIn PDF document text
- http://strojsteel.cz/webpagebuilder/ckfinder/userfiles/files/jagoki.pdfIn PDF document text
- http://naturalfurnish.com/userfiles/file/71155968677.pdfIn PDF document text
- http://popnmusic.fr/userfiles/file/81929859912.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613e121cd4ddb---48109010525.pdfIn PDF document text
- http://baracenter.be/userfiles/file/xivimil.pdfIn PDF document text
- http://www.lbtfilm.com/uploads/files/8285143851.pdfIn PDF document text
- https://thinkglobalcompliance.com/ckfinder/userfiles/files/dokukewo.pdfIn PDF document text
- http://mirai-kankyo.com/userfiles/files/53790669886.pdfIn PDF document text
- http://www.deco-interieure.com/userfiles/file/wavevigademan.pdfIn PDF document text
- https://vmwarts.com/ecovic/file/zuginugalomulemix.pdfIn PDF document text
- http://dealershop.es/userfiles/file/17781613530.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/7210928a0355ac7864bb7264a26451cf/jutov.pdfIn PDF document text
- http://lovesenergy.nl/file/2739604409.pdfIn PDF document text
- http://lnyuanzong.com/uploads/files/20210908041354.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=xbox+wireless+display+app+androidPDF 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_off0000bd26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD26 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d538.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD538 | 17060 bytes |
SHA-256: 8527d27e2860d10171e37e054809171a6fc28d3ccf3140a8643fd003763353cd |
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font_02_sfnt_off000100ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100AE | 10736 bytes |
SHA-256: 53256509ef24bfc875e96b599fc02cd230df56f95ed9f8e572ba6a42f467a86f |
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