MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded links are consistent with a phishing lure, likely intended to trick users into visiting malicious sites for credential harvesting or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://aprenda-atdi.com/uploads/files/nixiwogisuwes.pdf
- https://baatco.com/ckfinder/userfiles/files/fubatelalupupojexuzoze.pdf
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/q7nh239ipnvpfunovqqdiurpee/soguwinamo.pdf
- http://gramercygrand.ru/files/file/24724543992.pdf
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/60e27a9a7ec312e76596309cd9f37afa/24019003916.pdf
- http://gsxr.hu/userfiles/file/podomuxukewegotovuvola.pdf
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bfaf83b3786---36876848428.pdf
- https://agatanorek.com/files/file/62256387200.pdf
- http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/16247055468795.pdf
- http://faceconnects.com/ci/userfiles/files/bezir.pdf
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/b160acba56ecb00eb8b17e284f2a7288/tovepunajok.pdf
- http://dui-antidote.com/images/userfiles/file/tibabatoxobedesiket.pdf
- http://oilandgaswork.com/userfiles/file/kebopinazel.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/9d14954bec96715dac6b2ffbb2f37329/tatijewivoponexomade.pdf
- http://moscow-vernisage.com/files/files/67495757784.pdf
- https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/cm69nt3k23bvio07t49bpgg8b2/zesadozomuzupegenibib.pdf
- http://stardentalcare.org/userfiles/file/17473340994.pdf
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f76bad6ddd---99755846002.pdf
- https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/tejuterixisemigutezibuk.pdf
- http://webcertain.net/contentupload/fckeditorUploads/organization_/file/vupaxivupufeluxeme.pdf
- https://vegan-eshop.cz/data/file/48639441598.pdf
- http://xnucleus.com/members/member_images/files/bazobowetalisafujiza.pdf
- https://mobiligennari.com/userfiles/file/6181092298.pdf
- http://uniroll.pl/user_images/file/22178184021.pdf
- http://gloria-eurex.com/20164790143.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=unilateralidad+de+la+moral+y+bilateralidad+del+derecho+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_off0000d793.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD793 | 16792 bytes |
font_01_sfnt_off0000efaa.bina029ec92884ffbeea13a6dcc5c275c9e484425c64b8d5147aed5f8cbabfa8307 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFAA | 10976 bytes |
font_02_sfnt_off000108b1.bin9bea58a4392ca247c033c04d722c3800640c6549a9915bf370c86114f20022f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108B1 | 18420 bytes |
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