MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains a link farm pointing to numerous URLs, many hosted on compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The presence of these links indicates a likely phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9868
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 http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/rsg633volckfmublgrl4a5tu57/wagejema.pdf
- http://broadmoor79.com/clients/864886/File/85274535616.pdf
- https://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/71750551267.pdf
- http://china-hold.com/UploadFile/file/20210516155256070.pdf
- http://ekolojikweb.net/upld/userfiles/file/81302842347.pdf
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16071cded98c52---76952141124.pdf
- http://hzdsbg.com/uploadfile/1621188200.pdf
- http://sun-green.de/ckfinder/userfiles/files/jajojefa.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f1d7221a2---76559358442.pdf
- http://akicgiyim.com/userfiles/file/wijoxepu.pdf
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/8bad80795ef6445add2bbea32aa0c7aa/jerabu.pdf
- http://chia4kids.ru/ckfinder/userfiles/files/fawomid.pdf
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/gv499ork0r6qk620crkgdcienk/vipogifiw.pdf
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7c3132f6a5---xuvojanifelamabat.pdf
- http://chiengthai.com/file_media/file_image/file/lexuluropuketirijojawawe.pdf
- https://next-engineering.com/userfiles/files/91541211343.pdf
- https://hondamienbac.vn/userfiles/file/96776593323.pdf
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/fisisofinawukatetebowuvu.pdf
- http://xn--or3bi2da319p.com/upload/fckeditor/file/8351370821.pdf
- https://hosvagyok.hu/userfiles/file/42370619185.pdf
- http://scales-center.com/shop/fck_file/file/nufuxesorakakafobiwinuno.pdf
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/377a35fde9e7214e90ff551ca37cfe18/wosow.pdf
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/b60640e7031f210d233403ed70382da0/leminakitak.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160764b46b04a4---xodekizexirizo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=cooling+water+system+design+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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000123ce.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123CE | 16792 bytes |
font_01_sfnt_off00013be0.bin297a21f430f2755694d8ccdf1bc4db27ea83fdba8ec9b2478bf407606ec7c550 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BE0 | 19756 bytes |
font_02_sfnt_off00017049.bindae5038d748b2b7d89173d83a61ff0ceefc2856cc76f3bb6f5837745f88f8889 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17049 | 16084 bytes |
font_03_sfnt_off00018579.binac48a97ba7c2886eae7cc5197a60242bb9b44208425a3f7345127fec408ad2cd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18579 | 11072 bytes |
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