MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised WordPress sites and disposable hosting, indicative of a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were extracted, the structure and URL patterns point towards a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/d38f50cb94cb29a48ee31816ffd7d3b8/33315161117.pdf In PDF document text
- http://bet-balance.com/userfiles/file/45703160872.pdfIn PDF document text
- https://e3tam.com/assets/uploads/file/81616729256.pdfIn PDF document text
- https://ferdavagnar.is/images/fck/file/xalajavifatopidegodix.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/rbq8qbq30ucu9hovp2bui3rpjg/logededopisiremiwuga.pdfIn PDF document text
- https://red-adlay.com/upload/files/favovib.pdfIn PDF document text
- https://voziky-paletove.cz/mctree.cz/pictures/other/files/26633141056.pdfIn PDF document text
- http://anabakorea.jp/userfiles/file/4116562936.pdfIn PDF document text
- https://f2h63c2.ip4secure.net/upload/files/46046369605.pdfIn PDF document text
- https://izyskately.ru/foto/ck/files/93273335113.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1614184842c166---gepuwerexarofavovo.pdfIn PDF document text
- http://80tner.netsociality.com/upload/files/94739934211.pdfIn PDF document text
- http://thietkewebsite.btccorp.vn/uploads/files/33033079079.pdfIn PDF document text
- http://4yoga.by/pics/files/2187768750.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5a156c958---33483956185.pdfIn PDF document text
- https://studybrilliant.online/app/webroot/img/userfiles/file/nozixa.pdfIn PDF document text
- https://www.assofmt.org/ckfinder/userfiles/files/lelavorufimuj.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ae6a5b83c---71454037456.pdfIn PDF document text
- http://sysquare.com/UserFiles/files/gufojovoluwi.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/161423e94446a7---kesubegalaruwibakaji.pdfIn PDF document text
- https://stollerco.com/testingsites/advantage_aviation/assets/media/file/27824997774.pdfIn PDF document text
- http://zavalinka.by/var/upload/file/fitukizutudedebikalatu.pdfIn PDF document text
- https://mitrasuksesku.com/userfiles/file/2639650970.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=write+an+application+to+your+headmaster+for+leave+of+absencePDF 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_off0000be51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE51 | 18624 bytes |
SHA-256: 942c33975cc1b0ec8fd47078f15a652bb2cb2b931cc2df50e69a5ea4d4ae4335 |
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font_01_sfnt_off0000ee10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE10 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010627.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10627 | 11300 bytes |
SHA-256: f4bcaf6b0ab7aafa6cde7a8ea5b2f1541c1df1e705e5f8863a9bf9214a37e856 |
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