MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, with heuristics indicating it functions as a link farm. Multiple URLs extracted from the document point to compromised WordPress sites and other domains, suggesting a phishing or malware distribution scheme. The presence of numerous links, many with UTM parameters, indicates an attempt to direct users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://hak-al.com/resimler/files/lugusonibamotakuweba.pdf
- https://khoahoc.timviec365.com/picturesfiles/51344732440.pdf
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/406b3f611510f634db4025e54eb087a5/sunotifivupuvaguzulibubun.pdf
- https://snf.styleguides.ch/userfiles/files/31268873464.pdf
- https://fleuriste79.fr/ckfinder/userfiles/files/fukekaxejarepuvese.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140bb3d3e3bf---79883104010.pdf
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613239a5aebac---mexefixifu.pdf
- http://shrlie.com/upload_fck/file/2021-9-7/20210907030340642352.pdf
- http://4998horo.gmmwireless.com/contents/files/31114277264.pdf
- https://codecs.ro/images/file/tarewalitigikajini.pdf
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/fakp8uff4h9om42401obp108g3/77573921898.pdf
- https://portalbime.com/UploadedFiles/New/file/97626977832.pdf
- http://www.aportecnica.com/imagenes/editor/file/5009997509.pdf
- https://wasael.com/userfiles/file/pafafodawebiz.pdf
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/bbdhskr1shbs5h6msflhs0hqh5/gamawofo.pdf
- https://makanbanyak.net/contents/files/5806409829.pdf
- https://iqrainternationalschool.org/_assets/files/2246012095.pdf
- http://ohadalegistrocbarter.com/ckeditor/uploads/files/26247629359.pdf
- http://ampletrekking.com/userfiles/file/58379481444.pdf
- http://selidbe-beograd.info/files/netororil.pdf
- http://culbertsonlawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/28334913449.pdf
- https://tskrea.com/userfiles/file/butadewoditin.pdf
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/1af33ccd569f54f962984d4aff9f371e/47029730264.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=pdf+in+macbook
- 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_off0000b7e8.binc5d891dc78f8cb438e1e36a9f532f4d1b2a76ee7f19be7f1798c09a3b357ee58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7E8 | 16888 bytes |
font_01_sfnt_off0000e404.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE404 | 16792 bytes |
font_02_sfnt_off0000fc1b.bincda52f69b94f14746062f317dcc7f4bf28f2237e7a3c7df81b0c73a062d34aed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC1B | 10324 bytes |
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