MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. Heuristics indicate it's an image-only document with a click-outward action, typical for directing users to malicious sites. Multiple URLs were extracted, some pointing to compromised CMS upload storage, suggesting a distribution or phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://kjphotocon.org/data/userfiles/files/kofikexupufugivi.pdf In PDF document text
- http://3gr-group-com.gbintl.com/ci/userfiles/files/28539236744.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/9cbe44c9f7c63cbff91783373adeb74d/73666062354.pdfIn PDF document text
- http://sasnowosielski.com/ckfinder/userfiles/files/77569036755.pdfIn PDF document text
- https://ostrichpharmaceuticals.com/userfiles/file/kuroguxebexu.pdfIn PDF document text
- http://mega-gold.com/userfiles/files/73981681563.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/161404f17d1a10---5727551272.pdfIn PDF document text
- https://maurinet.com/userfiles/file/denexuwosig.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/c787e0f7e3f907cdcd38c077a7f5a982/43477347206.pdfIn PDF document text
- http://dlugopis.kbo.pl/ckfinder/userfiles/files/2243429104.pdfIn PDF document text
- https://regaluxiluminacion.com/uploads/assets/file/3261871448.pdfIn PDF document text
- https://worldmedglobal.com/userfiles/files/20009450866.pdfIn PDF document text
- https://tarsiman.ee/files/file/61388334819.pdfIn PDF document text
- https://guruvinodji.com/Userfiles/file/15810611299.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/4aa8a95a5577cdd52e42d43bfc3eaee2/xewupi.pdfIn PDF document text
- http://kortennis.co.kr/B/ck/ckfinder/userfiles/files/zekidalofivipepuxamakoruv.pdfIn PDF document text
- http://babyindex.nl/images/uploads/zuganoti.pdfIn PDF document text
- http://the-bom.kr/upfile/files/gokudimofiwo.pdfIn PDF document text
- http://slovoveri.org/userfiles/zefasewimozamudumid.pdfIn PDF document text
- http://live-lessons.net/lcj/web/uploads/assets/file/kewilogapibawuluga.pdfIn PDF document text
- https://istruttorecinofilo.it/userfiles/file/nepalepisegaram.pdfIn PDF document text
- https://www.tyrtaios.gr/ckfinder/userfiles/files/buxufufuxinorifumuriniwi.pdfIn PDF document text
- http://security-m.jp/tool/images/file/17533326720.pdfIn PDF document text
- https://eksiliotomotiv.com/upload/ckfinder/files/texutifosip.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=clash+of+clans+working+free+gem+generatorPDF 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_off0000b12a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB12A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c941.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC941 | 10992 bytes |
SHA-256: 24abc05e0bac606899ca21c678234b44e5547638631087f0e40844384b259295 |
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font_02_sfnt_off0000e2b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2B8 | 13964 bytes |
SHA-256: 65835573bc68f61037341b9ebb27a3a05951d23ff182c25c392ffeddc2572fc4 |
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