MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links hosted on compromised WordPress sites, suggesting a link farm designed to redirect users to malicious or phishing content. The presence of external URIs and compromised CMS upload links indicates a likely attempt to lure users to external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://inwebjor.ru/uplcv?utm_term=plays+for+middle+schoolers
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608141999a8c3---98113571973.pdf
- https://nikosdimos.gr/userfiles/file/vivurusosoveredukem.pdf
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b9baa22d8---49343241296.pdf
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/bmp5upq499bum2pbk2d52nb0l3/panupepufapuliwixaxi.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160bfbd00502f4---30706422581.pdf
- http://skiflogistics.ru/userfiles/file/xavelas.pdf
- http://shethof.ch/cgi-bin/dynamisch/file/kadiposigusimamalat.pdf
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a0c9f62576e---84770567511.pdf
- https://binarbaid.com/public_html/userfiles/file/69136663120.pdf
- http://omonetach.pl/foto/ilustracje/file/70925848588.pdf
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607add0f67c91---jepugi.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/edlarbhhbnt7bpvlk4jsuor4k2/jijuxagilalunulaxefoj.pdf
- http://shannonlakeestates.org/fck_images/file/fowaxazunuwekenesa.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160982218e0bd9---kalusowexabogixotuniz.pdf
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/fc682e9b0ef7193762f3827bddeace24/jibapijizif.pdf
- http://muskogeeroughers1967.com/clients/9/98/9899c641331876fb313f08ec475a0443/File/34802449166.pdf
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/78cdc7775598c713ca975033e8a27322/52518815832.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b36a67bdb---labazalodoluxomipofujogo.pdf
- http://myphamlulanjina.com/upload/files/wogasamo.pdf
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607c4e7bcef78---logisivijomo.pdf
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608700d128bdd---kesawofusirojatisaj.pdf
- http://iseveranscopy.com/upload/editor/file/90307368313.pdf
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/82057ff1ed2c86094efaaafe73e80ede/puxekejutowu.pdf
- https://rocksoliddesigns.biz/userfiles/file/wawijamajikelewiwexatidat.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_off0000f955.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF955 | 16792 bytes |
font_01_sfnt_off00011167.bin670db8bf1f225c9df413611bec66be782bda59e4e3f43ffabafc678d14706862 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11167 | 17516 bytes |
font_02_sfnt_off00013f00.binf4b44118baa206f6d74afb5ecc1134b966057c108d4b3ae48c80114144326662 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F00 | 10656 bytes |
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