MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links pointing to various websites, many of which are hosted on compromised WordPress installations. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates this is a link farm on disposable hosting, and the presence of 'utm_term' parameters suggests a phishing or SEO manipulation tactic. The ClamAV detection and ML classifier further confirm its malicious nature, likely serving as a lure to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f6338195fa---16969886044.pdf
- http://koopmankennedyfeller.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/15296829193.pdf
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16076f8043b781---34586592802.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608534771bde9---7378350675.pdf
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/d211cec55096c24b555470a479c4f399/bupoxipizedamibebev.pdf
- http://cleangroupbd.com/ck/upload/files/muninililak.pdf
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16096a7aa80765---38519355782.pdf
- http://stroisvias.ru/userfiles/file/bejen.pdf
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609833d01757f---sipawapokameze.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dff39f124e0---depujar.pdf
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/bd34a7474a9da1b18908504f55f215d5/40707734294.pdf
- http://sahrugs.com/userfiles/file/vesegopukunibe.pdf
- https://dubaimotorcycletours.com/uploaded_images/files/95603889556.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160759da810d90---pobubigugumasile.pdf
- https://www.neosynapses.com/wp-content/plugins/super-forms/uploads/php/files/8ta2k293vnnril6p99c152oog5/numozoboruwaf.pdf
- http://viral-list-machine.com/ckfinder/userfiles/publics/files/85816464751.pdf
- https://ntct-dz.com/ckfinder/userfiles/files/pibizile.pdf
- http://peaceinsrilanka.lk/userfiles/file/duvisesitudegafejiviro.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f58c642231---tidevivifesunup.pdf
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b3aabc8cfbf---pegajuburameveluwiwe.pdf
- https://panegovernance.com/ourprojects/chowki/UserFiles/file/90746205667.pdf
- https://etonbio.com/newsLetters/images/file/fimeji.pdf
- http://fujavietnam.com/images/Download/23774116827.pdf
- https://activepymes.com/pub/file/52439927502.pdf
- https://www.passion-rnd.com/upfile/files/2021/06/20/xupojilavuxe.pdf
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2739b2fd7---kiwazemo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=what+are+the+conventions+of+writing
- 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_off0000ee1e.binac0019efc0b813e56ae944898b5a5928344f08ac3e9cc82419776eaff82adac2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE1E | 17108 bytes |
font_01_sfnt_off00011a66.bin3b5413da8828d4cbcf958dd901f99cbe717a5d84a8ebb7171650ca0dce9f1a88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A66 | 10712 bytes |
font_02_sfnt_off0001330f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1330F | 16792 bytes |
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