MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a malicious document, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://laborke.ru/uplcv?utm_term=how+to+share+location+with+family+on+android
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161375970cd889---norabaxasagagas.pdf
- http://holmeslawfirm-iowa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/98732102586.pdf
- https://igk-lilienthal.de/downloads/38264659703.pdf
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16134e1a565c4c---misejapenebuvujokagor.pdf
- http://margheritango.it/userfiles/file/lixujibub.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f271ff2c28---34289866911.pdf
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/cc142b6c757faec1474a98dc78f8056a/35818562136.pdf
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/665forl6g19rf9uuqchchutgqn/1275808539.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/5acd105f07c7dbe4734fac8df9412e1b/paxedupovimanojujeru.pdf
- http://sanzmendia.com/userfiles/files/labinevadawok.pdf
- http://mrpokedb.com/uploads/files/56431823587.pdf
- http://canavesiobruno-architetti.it/userfiles/files/sitebotuguzejivujifovuj.pdf
- https://kalimati.in/userfiles/file/femadupu.pdf
- http://sun-green.de/ckfinder/userfiles/files/jisaredomegasarixaloxuwi.pdf
- https://eminencesolutions.in/resources/userfiles/file/jidekugowonugin.pdf
- http://gamax-motor.cz/data/dokumenty/66117498030.pdf
- https://stmpallet.com/ckfinder/userfiles/files/29873489153.pdf
- http://ownlines.com/upfiles/file/kibusuvasovaf.pdf
- http://epmachine.ru/d/files/51583609717.pdf
- http://savitaco.com/uploads/images/files/finenaxufakatozuruzeju.pdf
- http://e5tbr.alruaa.com/ckeditor-ckfinder-integration/uploads/files/sazudisemuzupevetefa.pdf
- https://fiscconsulting.com/userfiles/file/kivuwudepotiri.pdf
- http://aatmicscience.org/asuserfiles/file/79649188468.pdf
- https://skopjemuzikon.pmgrecordings.com/ckfinder/userfiles/files/magisefonubodumigezumukum.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_off0000d759.bin1247073911092a30cd3c08a83972e939670a1f18803fceee7f7fb5b23a5e8bc9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD759 | 18080 bytes |
font_01_sfnt_off0001066d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1066D | 16792 bytes |
font_02_sfnt_off00011e84.bin15c6546edd03550c80fa9e5abe3041e181db8b24b3893890e11a227bbaa5aec0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E84 | 10932 bytes |
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