MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm or phishing lure. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
Heuristics 6
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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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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://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c715a30e0fd---81023870626.pdf
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1607e28be73b94---lebikafatigiforosuxovi.pdf
- http://offerseir.com/basefile/offerseircom/files/forimijazurugekoda.pdf
- https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/82007116296.pdf
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/huh97pomoen4k05hbbqp6gqlv2/rupokerila.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d99e8993c---weligizuzemol.pdf
- http://nbpcpentecostalchurch.com/clients/65183/File/70553120535.pdf
- https://incoyun.com/calisma2/files/uploads/wopufur.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cda7658ee3c---jekevosigoripo.pdf
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/0920efacb1267c1890c756531f8bdaa3/13100325376.pdf
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/demowajanufezewovapujove.pdf
- https://playerpress.com/ckfinder/userfiles/files/7673258860.pdf
- http://music-saikung.com/ckfinder/userfiles/files/jewixageva.pdf
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/9oinplnq6c92ito918tmskavsj/19805754236.pdf
- http://mindatpeace.us/uploads/files/34217033501.pdf
- https://aarhuskortet.dk/images/file/zawumenasa.pdf
- http://hoteldazegliotorino.com/userfiles/files/jubede.pdf
- http://1-cx.com/ckfinder/userfiles/files/sapemem.pdf
- http://cuahuyhoang.com/media/ftp/file/75296215685.pdf
- http://timnhanhonline.com/upload/files/74098117375.pdf
- http://odesignlab.ru/admin/ckfinder/userfiles/files/modanofetitozi.pdf
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a2dfaadb9---15240077232.pdf
- http://orderkai.com/uploads/files/87238258440.pdf
- http://topenglish.sk/app/webroot/gallery/files/65280562586.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fdf140ca8fe---66723309365.pdf
- http://brno-skoleni.cz/ckfinder/userfiles/files/66846609927.pdf
- https://paroles-vives.com/ckfinder/userfiles/files/bomabuleju.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=4th+grade+borrowing+math+worksheets
- 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_off0000e8ad.bincfe26099c8eaf817a6a663801cf3b34f4cfd656280ebb6b54f312e35c4d7bc32 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8AD | 10948 bytes |
font_01_sfnt_off000101b3.bin069b12d331000e97845eb29c78e18664acb997c8b520685f57f1e4c3796e0017 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101B3 | 17968 bytes |
font_02_sfnt_off00013082.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13082 | 16792 bytes |
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