MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to various domains, many of which are hosted on compromised CMS platforms or disposable hosting, indicating a link farm designed to obscure the ultimate destination. ClamAV and ML classifiers strongly indicate malicious content, specifically a phishing or trojan distribution attempt. The presence of multiple external URIs and link farms suggests an attempt to lure users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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://staples1981.com/clients/b/ba/ba027a536d51c1d997ee76cae6dc9017/File/lerupexidideratosibowon.pdf
- http://forter.vn/hinhanh/file/malolosunukusipefevirekik.pdf
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/39dc04203b3eb9ba22cfbebc7aadddbb/nabavekazomuda.pdf
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607298accefdb---29019205892.pdf
- http://antiochhighclassof70.com/clients/4/4a/4a4d67c83f6236388cbe8d22d68d4f91/File/dipabuxijimorizubinitoriw.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/vbsqm31p34iton0tef913bacu5/90125386661.pdf
- https://upaspor.com/resimler/files/laliwuleriposivosakux.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081123341301---pireferavuvut.pdf
- http://brightwayconsultancyservices.com/userfiles/file/52064844456.pdf
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16090378a4bf8e---merilunisep.pdf
- http://studioingegneramato.com/userfiles/files/58196620596.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5bed88bbc9---32761588052.pdf
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/a5g4viracfcv3680ndpi7m2a15/gubajifojewojunavidosigo.pdf
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160b5b2623e81a---pepipasep.pdf
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160cef38ca350f---97082176961.pdf
- https://eastmanllc.net/ckfinder/userfiles/files/33438063198.pdf
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/c9aa2917aa01b8af647310b36e6aea1d/67390054152.pdf
- http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/fk7rda8p8dnu1fjgnj3r1417b0/82256876618.pdf
- https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc585653e0---vigadotekepemoguba.pdf
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/r551r25s597cfah1c85no6etqc/89279858227.pdf
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c0a75ae53---tamilakufopupexevamusu.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d445b26426---9109043041.pdf
- http://usmleworkout.com/files/file/58132495777.pdf
- http://tikatalog.sk/_files/file/valerenutawoxu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=the+great+deception+pdf
- 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_off00013f0e.bincc95952d5c919dff1b02d59964bd4144266506f9660ec9b2aa145f33ed768ded |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F0E | 10648 bytes |
font_01_sfnt_off00015723.binc4ac16e3995ce48da6029c65a8201fc28b2b173bd30fdb41d73c7840a78fd0f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15723 | 16920 bytes |
font_02_sfnt_off00018324.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18324 | 16792 bytes |
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