MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
Heuristics 8
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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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://kielcenoca.pl/files/file/tubuxupivubojuzujogas.pdf In PDF document text
- https://sjalikave.hu/pictures/file/91971950921.pdfIn PDF document text
- http://reelproductionshd.com/userfiles/file/39409824768.pdfIn PDF document text
- http://anapro.com/ckfinder/userfiles/files/63242494571.pdfIn PDF document text
- http://frigotechreina.com/userfiles/files/marozakef.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160ff3440b5123---97061573628.pdfIn PDF document text
- https://montpellier-business-plan.com/mbp/upload/images/images/upload/ckfinder/32549484420.pdfIn PDF document text
- http://157.230.241.115/image/upload/File/tutikivusu.pdfPDF link annotation
- http://macautemple.com/userfiles/file/29683091128.pdfIn PDF document text
- http://hongdacable.com/d/files/13112725551.pdfIn PDF document text
- https://zoomkish.com/basefile/zoomkishcom/files/fumaxeratexupuxizado.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/rgrfnhk4uisa65ht6bjv823gc0/zomapirawopilobebolofixif.pdfIn PDF document text
- http://sumbulefendiegitimvakfi.com/resimler/files/32071922554.pdfIn PDF document text
- http://hjtech.org/admin/upfile/file/pokegerafulesitezebaxosa.pdfIn PDF document text
- http://heryeryesil.com/resimlerfiles/wixadezonabage.pdfIn PDF document text
- http://atek-ent.com/upload/file/26511731350.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c85fd4813a---84946197636.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a6401392c5---22005735821.pdfIn PDF document text
- https://rachelrom.com/rescontent/file/82659929920.pdfIn PDF document text
- https://cakenflowersonline.com/userfiles/file/vazatanofaveset.pdfIn PDF document text
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ed87c79416a---95995441231.pdfIn PDF document text
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160b9947a048f7---97495721679.pdfIn PDF document text
- https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/747540092a4228bfd9dcae660e63c70b/86431157024.pdfIn PDF document text
- https://stayatrosetta.com/wp-content/plugins/super-forms/uploads/php/files/rgn7s0vgnsad0vkqkq6e9vqc3n/sofufasagigepaz.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609b219cec95b---66230259960.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=how+to+hack+asphalt+8+airborne+pc+without+cheat+enginePDF 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_off00010019.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10019 | 11268 bytes |
SHA-256: 9fe17c174a70797ef385dedefa1f4c2fcca5feb21c65270e61b62cf93e0ecec1 |
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font_01_sfnt_off00011a61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A61 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013273.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13273 | 18676 bytes |
SHA-256: c7d5037c29cb375792d98ebdb8ec50d980eeccc3da1860710a458cbfbf3db896 |
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