MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was identified as malicious by ML classifiers and ClamAV, indicating a phishing or malicious content distribution attempt. The PDF contains a link farm with numerous external URLs, many hosted on compromised CMS upload directories, suggesting an effort to obscure the true destination or leverage trusted domains. The presence of 'utm_term=check+your+ebt+balance+online+pa' in one URL suggests a potential lure for credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://szabobuszberles.hu/files/files/wuvidirezi.pdf
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/16114b159a7d2e---30142704935.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/3f56e00e729ce435ce27ee09bca221f7/94348948997.pdf
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160d5bc74d8764---80814343888.pdf
- http://emirates-offshore.com/uploads/image/file/67102910672.pdf
- http://wellfoto.cz/pictures/files/49153091976.pdf
- https://rotterdampools.com/contents//files/72009123819.pdf
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/a86154ccda138b4cf8c53a736bda0be8/41302290662.pdf
- http://aaaexpressac.com/userfiles/file/benipowipubovufez.pdf
- https://artasedanasingaraja.com/uploadfck/file/kevilafakisidudoda.pdf
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d33d881c4---49544518879.pdf
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077dd3da0df8---6975416731.pdf
- https://dbjadow.pl/attachments/file/nisorojulowowogenitekixa.pdf
- http://coyada.com/up_images/up_images/5469586228.pdf
- http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/40427493686.pdf
- http://htwy.com/upload/file/15782368325.pdf
- http://freewest.at/1553439456.pdf
- https://franchiseharbor.com/files/files/mokejitinodirabafaripo.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/400e6c75814f1db0eba40e40fed7b8e3/wadisakujejob.pdf
- http://patrick-jardinage.fr/ckfinder/userfiles/files/52280222203.pdf
- http://alexlunacoach.com/img/editor/file/24425274998.pdf
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160822b9bca3b7---nivitasujuzavubukamu.pdf
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160725891d6e41---614743964.pdf
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/udh0i9gg1jl6ad1sb3ra083uv0/rixazubazogofasubofigalax.pdf
- http://www.bufolari.com/public/immagini/file/13552589294.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=check+your+ebt+balance+online+pa
- 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_off0000e8ac.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8AC | 16792 bytes |
font_01_sfnt_off000100be.bin31a498717f93f0a4a3405102ccbe9602c2deb7029c11ad4372bc1343eeac9e29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100BE | 17652 bytes |
font_02_sfnt_off00012e8b.bin8ab59ba3fa1704bd1f25b50406033c3a992d5ef765105a7050b05939cec5f128 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E8B | 10780 bytes |
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