MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. It contains numerous URLs pointing to various websites, including those hosted on compromised CMS platforms and disposable domains. The presence of 'utm_term' in one URL suggests a potential phishing or SEO manipulation tactic to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://oniceh.ru/uplcv?utm_term=halloween+wallpaper+4k+android
- http://sensitiva.fi/UserFiles/File/gebufuworomi.pdf
- http://labsshop.com/d/files/xotulusiri.pdf
- https://portecitadelle.portecitadelle.ca/ckfinder/userfiles/files/63556779994.pdf
- https://groupunsur3.com/contents/files/gumexosulekive.pdf
- https://hahapediatric.com/uploads/files/202109032210046515.pdf
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1615387855780b---5990348100.pdf
- http://sujoydhar.com/userfiles/files/nagiba.pdf
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613420a7b78fb---45972221839.pdf
- http://scuderieverdina.it/scuderia/userfiles/file/58147894488.pdf
- https://bestcaps99.com/ckfinder/userfiles/files/73282584989.pdf
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142a1f9d44c3---somimonenole.pdf
- https://rougezenekar.hu/files/file/gawojewixumiseboketojo.pdf
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/6fe65d4fe1d6e20f74463b1bd46773b1/fefobilevijosogo.pdf
- http://valencia.thepokeluau.com/uploads/files/43803833266.pdf
- https://babamansurkurhuseyin.com/uni/yuklemeler/file/dobifodibikaset.pdf
- https://thefertilizerproductionline.com/d/files/ranedipoleguwuf.pdf
- https://slotpt2.com/contents/files/vefugomasidunawezakuxakip.pdf
- http://crisismobile.com/ckfinder/userfiles/files/5728069130.pdf
- https://wyslijpaczki.pl/app/webroot/files/userfiles/file/83398421988.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/c43hnf2uio836p77lnu4le0kg4/3204737974.pdf
- http://animationcoach.com/userfiles/file/lenazeniwizujiluruw.pdf
- https://szalkasszorutacskok.hu/app/webroot/files/content/files/60508266295.pdf
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1614efa1e8c1a6---bivoxeji.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_off0000b2cb.bin167e037d63bfaf991d574aeb61deef8363a2f03e659acb4dacf5a5e3cdaff441 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2CB | 10364 bytes |
font_01_sfnt_off0000ca45.bin8ab7c3aca651cf20f5f6400b1a41b9f368f6e9f6dca84c6abb90384d4d9e907f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA45 | 16436 bytes |
font_02_sfnt_off0000f453.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF453 | 16792 bytes |
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