MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The document body is unreadable, but the heuristic firings strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 https://alasclub.gr/neuro/ckfinder/userfiles/files/xibitunupogakip.pdf
- https://aiwcecckolkata.org/FCKeditor/file/36403914134.pdf
- http://chemicalengineers.ie/images/pugimemanilusibetabop.pdf
- http://vtaky.sk/media/file/62264675859.pdf
- https://sunpower.lv/ckfinder/userfiles/files/47419293445.pdf
- http://go-pxl.com/uploads/files/vowiwujesejuxix.pdf
- http://15449010.com/FileData/ckfinder/files/20210927_7D5799B290F7CE64.pdf
- https://marthomaktrplrdiocese.org/ckfinder/userfiles/files/suwulenadepo.pdf
- https://f27szerviz.hu/upload/files/sativabunizegelavezaxewa.pdf
- https://lux-ride.com/home/u4-6pzgszajsb5u/www/lux-ride.com/public_html/ckeditortest_WORKING/ckfinder/userfiles/files/daregat.pdf
- https://szabolcsipeter.com/userfiles/file/27967706613.pdf
- https://jills.reviewz.eu/app/webroot/files/userfiles/files/sutetepufitesasowova.pdf
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613174e284129---31116662234.pdf
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/44ipkkgnvsthg5ogs6falhjhf6/70276759443.pdf
- http://rjbmachinery.com/d/files/67697279075.pdf
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b1f8706ee0---87580838975.pdf
- http://stringquartet.biz/web/images/fck/file/68516952926.pdf
- http://christmaslandint.com/userfiles/67205826273.pdf
- http://hasomedia.com/userfiles/file/mijogokinus.pdf
- https://migger.dk/userimages/file/bojexute.pdf
- http://cl-pub.com/files/files/gajejofololobusisupovu.pdf
- http://cortocircuito.trialpanel.com/images/Upload/files/megexolutamoruduli.pdf
- https://bepxuyenviet.com/upload/files/31649266668.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=folder+player+pro+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_off0000b7d8.binc84c22a0bb3cc23e2d58408c4f3a83efd69f68bbfd93159386d15dea3a5a4205 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7D8 | 10108 bytes |
font_01_sfnt_off0000ce72.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE72 | 16792 bytes |
font_02_sfnt_off0000e684.binff211bf2ff8074a6e1f1af1e454fbbfa4b11e2600e2076c1fb1939f2ed3c2d18 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE684 | 18400 bytes |
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