MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of urgency lures further supports a phishing attempt. No scripts were extracted, but the PDF structure itself facilitates the attack by hosting these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 8
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://landatur.com/files/galeria/files/zigaxanarimusogilonu.pdf
- https://successalpha.team/upload/files/35628016734.pdf
- https://jbdclothiers.net/emailer/userfiles/file/56180162356.pdf
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/fca429d371a665f0d9888c21225e18d9/zemiz.pdf
- https://allora-tour.by/var/upload/file/pireligarajujivokugun.pdf
- https://darkoyunpin.com/calisma2/files/uploads/3214818270.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131479850efd---seveve.pdf
- http://skomi.ru/img/files/file/86910375093.pdf
- https://debo-fit.be/userfiles/file///mimitimeriveriruruxi.pdf
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613512082f175---zarekogenuma.pdf
- http://lesen-und-schenken.de/userfiles/files/juzonotigunabusejisi.pdf
- https://siahotel.com/userfiles/files/9450824588.pdf
- https://friendsofmultisport.com/ckfinder/userfiles/files/18195368500.pdf
- http://doingthing.com/downloads/blog/geust/files/69299468258.pdf
- http://sunriverps.com/data/editor/file/85943655835.pdf
- https://smartcirclegroup.com/userfiles/file/79951854222.pdf
- http://hotelborgodeipoeti.com/userfiles/files/40524140399.pdf
- http://german-ex.com/images/blog/file/69008843389.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cf6037c6da---68831618797.pdf
- http://www.darvidproperty.com/news/file/83885674848.pdf
- http://nrgmedia.hu/files/file/malenamidatowen.pdf
- http://kaie.org/userfiles/file/20210913120354.pdf
- https://turasmobilya.com/img/editor/image/file/40689369096.pdf
- http://shinhwajudan.com/userData/board/file/17190991201.pdf
- https://inprovitcaribe.com/ckfinder/userfiles/files/fowurigesubidajuk.pdf
- http://fantalife.nl/userfiles/file/71857594592.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=best+alarm+clock+apk
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d928.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD928 | 16792 bytes |
font_01_sfnt_off0000f13a.binfa4f8aaece13895ee5120c4b45f8ce50c323bb506956c4ee1887ffa73a1667bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF13A | 18696 bytes |
font_02_sfnt_off00012229.bin382f6f6cbc19456767f2429ae23f8ebfa580a7baaaa6985ace06cede787e3d05 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12229 | 10484 bytes |
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