MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links point towards an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
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 https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/3fddf404de0205068a4f3f663c3f6241/69619786825.pdf In PDF document text
- http://go-pxl.com/uploads/files/55512484905.pdfIn PDF document text
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/lk4elvs7pkedg175cvhaq627g2/ruvopaf.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b3433286e42---22186756154.pdfIn PDF document text
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/58105362bc81edd2dc581d7aebc2407d/petejujemepelab.pdfIn PDF document text
- https://actorconseil.com/files/file/92729878869.pdfIn PDF document text
- http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/53139750482.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ddda8e70a9d---wenugimabut.pdfIn PDF document text
- https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/felimitet.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608afb45b051f---50523248643.pdfIn PDF document text
- https://sahyadrisevasanstha.in/userfiles/file/rodapumevikifugon.pdfIn PDF document text
- https://fotobolfestmeny.hu/mvc/userfiles/file/11186692840.pdfIn PDF document text
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/baff2c6392069dedadcc4f4a4592a00f/xafewimofaxavuwuledagame.pdfIn PDF document text
- http://xedaptheduc.net/app/webroot/uploads/files/85363057065.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16081eafe8f70b---66839822868.pdfIn PDF document text
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/a77c2c4e7135caefbfc073dd61e5bbfd/60000471503.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7e5a1d057---83849001515.pdfIn PDF document text
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608059865dbac---sogoputok.pdfIn PDF document text
- http://hchs1972.com/clients/2/2c/2cb73362227bcfbd3ed6ae01b5b3dc46/File/53464923518.pdfIn PDF document text
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/kpn49jt1vt2d01j5a1tl5a1201/22394503290.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/7d0ibnp3n0822vj3a00582lnoi/69103465126.pdfIn PDF document text
- https://istihdamhaberleri.com/upload/ckfinder/files/palamexutese.pdfIn PDF document text
- https://adsbudget.net/userfiles/file/35097614595.pdfIn PDF document text
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607362d662992---42534986465.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16080bcbc50a7a---nenigunitatev.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/4ae6bf6b20a33a35cd4bb3dcfdb10b6d/43055319607.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160cd4e0c2353f---84824639283.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=first+anniversary+wishes+to+sisterPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cbe4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBE4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e3f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3F6 | 16788 bytes |
SHA-256: ca06b40c3912693493bbd4b550d05b01ac5f21a2be826051f37ce618b4c7309f |
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font_02_sfnt_off00010fda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FDA | 10400 bytes |
SHA-256: 7edb21ac8e29a9c4936886fb7638cc45e2b5892f1d85f91ca21091164a3bc16f |
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