MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm pointing to compromised WordPress upload storage, suggesting a phishing or redirection attempt. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/286148f0ba064230951b27b8aa16304d/12833051211.pdf
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079e63a48245---vipemugujos.pdf
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160909bfc3c9d1---movujowepok.pdf
- https://ankaratemizlikcim.com/depo/sayfaresim/file/94794207396.pdf
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083f25342def---vonisanoborufafaduk.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160abd4b615a98---20983372632.pdf
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160abce3cb5410---10585599189.pdf
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/4b6114f60bc3f5bd8c4057acb7cf1aea/70060809309.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bec9f09b8a---80217071583.pdf
- http://savaksangida.com/resimler/files/7390343007.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bf94ca1e14a---jobijazi.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160769e30e2037---junun.pdf
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/4rlvdkaspo8smvajcs9jke425l/jezamikug.pdf
- https://icbacademy.com/upload/files/debefagefudele.pdf
- https://xn--p3t29jo1ed4o4xw.tw/upload/files/8753459360.pdf
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/225fcf1643882a58a00ce2519d94ee9a/rilojutavow.pdf
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad9d539643d---kuputu.pdf
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a10aa723e8b---vatavomota.pdf
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3bfde190b3---jegamax.pdf
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/hubdq446l8gfpsqhc7lbnsd840/balap.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16078e56043721---80597078833.pdf
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/0a9dc3ac7f1d4d775b0d4075a2c88d9f/50543588267.pdf
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/6f0805a99b582b442fd218184e77afa1/rovezaxem.pdf
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16082775c6d270---tejiki.pdf
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/abe3ade0de3b0755544013704b46c299/tovoregopemitenu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=best+ntp+server+to+use
- 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_off0000e2e1.bin404a18e0fa1f9803ae870c5c84de5c705c6ff52132db85aecd12606bb1160f68 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2E1 | 10164 bytes |
font_01_sfnt_off0000f9d2.binf345b71de3a7a0d05458097571a52cc5da7e8b03db46cb8f5fe8235a3f08633e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9D2 | 17052 bytes |
font_02_sfnt_off0001265d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1265D | 16792 bytes |
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