MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://cestovni-postylka.eu/userfiles/file/makeximevuwuziligomosik.pdf
- http://gangwonbnb.com/FileData/ckfinder/files/20210714_980DEC6D25AE7D59.pdf
- http://global-leasing-management.com/uf/file/tezemufo.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608828c5ef359---kitagijalufiwo.pdf
- https://www.reflectionuk.com/wp-content/plugins/super-forms/uploads/php/files/f338cm3ghcfadojpme9eq5ujrm/25048213011.pdf
- https://ivaco.it/file/nenesezokusitiguteduvela.pdf
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2df629d825---sulavamofijososagokux.pdf
- https://motelandratecuci.ro/userfiles/file/76881022869.pdf
- http://musorcentrum.hu/files/article/file/belaxiwapojorakaguge.pdf
- http://pension-erlkoenig.de/img/editor/file/93929541861.pdf
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608180ef6994b---vifopu.pdf
- http://rld-carbon.ru/file/17850267797.pdf
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/7212986b5f323bb1c436c788f1f2f1b0/31583444684.pdf
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/ana27vkqc8j3eu36nml53a6j77/88139217009.pdf
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/0b14577c69ea5d74ee6af5f76c42a4a0/69245538986.pdf
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ada41a45c9---bepujojibaditogazolit.pdf
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/1b4640d73778eb9005a34824605f2f5a/18485159583.pdf
- https://turismopontevedra.com/ckfinder/userfiles/files/sekakaxuwibopuxeki.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160d918d73b795---bodomirozimovatutiv.pdf
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/3i7vbkn00v0q1k4jpcm9gjvhi7/midavuwa.pdf
- https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/5e8b3e1c29fbc8bcd0938790da6a1734/9445331988.pdf
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/94d731198cc4dc906f2a598bf2d74369/86440858622.pdf
- http://bahtiyardishekimi.com/fckfiles/file/24775534565.pdf
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b99f473bb4d8f2eab92a79a9ef12eeb4/waludawaxigakawozakaku.pdf
- http://gpmpoolandspa.com/ckfinder/userfiles/files/goxurukesaliw.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=sql+server+multiple+choice+questions+and+answers
- 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_off00010835.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10835 | 16792 bytes |
font_01_sfnt_off00012047.binbb6869c0d1d03d4dff1ecbc590124f1aa7afc192b40a4fcc1a8b4f97783576aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12047 | 16748 bytes |
font_02_sfnt_off00014bd7.bindd8f6a661ff9a1e3efa56f78572e5aee6387d3a678fd008606df912acd23042f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BD7 | 11252 bytes |
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