MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to host malicious content or redirect users. The presence of external URIs and link farms indicates a likely spearphishing attachment delivery vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/em1r8qbfg7jo3gjqckstcd6117/vimixowevajiwiwupemi.pdf
- http://goldnumber.info/userfiles/file/84029352951.pdf
- https://o2opr.co/userfiles/files/xewodujatuzudef.pdf
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078706ce1f04---46923928657.pdf
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608c5674592b6---63610135814.pdf
- https://nic-irq.com/userfiles/files/damode.pdf
- https://angkortaxiservice.com/userfiles/file/banugazapaxajuworepibif.pdf
- https://justbuymeds.net/userfiles/file/32287112840.pdf
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ada266d4d4f---togafif.pdf
- http://dok-vo.ru/userfiles/file/1470513994.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d40bfedf7e2---vimopox.pdf
- http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/3b677f342caaefd04dff364d5f22c14a/nunuzarutuzo.pdf
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/79f2dc5d890e370bc868995933cbfdec/18739142105.pdf
- https://butchercurnow.com/img/shop//contents/jizosaviviramemofitugidoj.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b813431ba---dodupejemukofipofax.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160751e67d1bd5---mokekisusepirevizunorize.pdf
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/b3141e7822c84f369d1f517dbd8be308/gajab.pdf
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082dafc6eff5---gararunorevit.pdf
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a1aa5361251---mapasevupumeziju.pdf
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/711de2f3d844752c90f1aaabb436ea82/safunupixemobajuwovoku.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/c0f84fcc9076de37891ba2c70ded1472/wagixugokuvemubokozesoda.pdf
- http://gingerbreadvillage.org/clients/e/e3/e396b250b60561adcb946853f9f62e29/File/dobenalifokufo.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d6b29d980a---dojuvisiseveredifeze.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=the+annals+of+the+royal+college+of+surgeons+of+england
- 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_off0000ed1f.bin5e0ababd2d9e8d2acaa6cbf30b219bae342284e30ce01116870ab63e09f70879 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED1F | 18756 bytes |
font_01_sfnt_off00011c2d.binf9ec844dcab463434b1b8907a744ea5476705cfa0fad7be5830f35ce9ceb9487 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C2D | 10840 bytes |
font_02_sfnt_off0001350c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1350C | 16792 bytes |
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