MALICIOUS
164
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 0.9956
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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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 https://nichecnk.leaddeehub.com/userfiles/files/8533885256.pdf In PDF document text
- https://ihotel2b.com/upfiles/editor/files/75610020138.pdfIn PDF document text
- http://norrlandet.se/userfiles/file/pokidofurupoli.pdfIn PDF document text
- https://stl-log.com/htdocs/cljr/data/files/jogemomurekelinavasopu.pdfIn PDF document text
- https://hrmconsulting.biz/upload/files/pijifurovidesanasadod.pdfIn PDF document text
- http://gpp300.fr/userfiles/file/rodimejoxe.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161392930a4ad4---99974494153.pdfIn PDF document text
- https://togeltop.net/contents/files/wovanijafuzalitoj.pdfIn PDF document text
- http://topoint.cc/userfiles/fckFile/20210912193831.pdfIn PDF document text
- http://warmistore.com/userfiles/file/kuvoxilewefaxilopojot.pdfIn PDF document text
- http://www.guus.edu.mn/ckfinder/userfiles/files/16307808051.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1613aad8ac4671---nefokokatorijokosut.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136b98cd0fc5---rirawadukujevivomane.pdfIn PDF document text
- https://aznamaste.com/ckfinder/userfiles/files/padevamewubedevezor.pdfIn PDF document text
- https://sapporopools.com/contents/files/98617515126.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/56e06cfa6be3bf840648a98ec0a3381d/7498225891.pdfIn PDF document text
- https://kiptep.ru/file/69918464222.pdfIn PDF document text
- https://shreenathtechnologies.com/userfiles/file/1881109079.pdfIn PDF document text
- https://htlexpress.com/ckfinder/userfiles/files/femewawebo.pdfIn PDF document text
- https://daulte.com/ckfinder/userfiles/files/58865025172.pdfIn PDF document text
- http://amoy-art.com/Upload/file/11601497606.pdfIn PDF document text
- http://yurisolomko.com/userfiles/file/18927591457.pdfIn PDF document text
- http://5mal4.de/moneyvidya/web/images/userfiles/file/1363987481.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=vunnadhi+okate+zindagi+tamil+dubbed+movie+downloadPDF 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_off0000b6d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6D6 | 17016 bytes |
SHA-256: 1a8b7b730228372d7749f9f0c5eafe3e9ec229295e2f6584fa5107ea9fe77b56 |
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font_01_sfnt_off0000e2e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2E5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fafc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAFC | 10940 bytes |
SHA-256: a7e971cf6aaaf88d6003e526ea8bb6f81eaafedfb2693c02b3eb0c4ebbe33b3a |
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