MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal a link farm pointing to numerous URLs, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a phishing or malware distribution scheme. The presence of external URIs and PDF link farms strongly indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://446888.top/userfiles/file/97329349124.pdf
- https://smilaxlabs.com/userfiles/files/viramasivukaduwip.pdf
- http://meta-min.com/files/dokepudiwobom.pdf
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a0b82ebcc0d---1723294321.pdf
- http://onlinemidias.com/ckfinder/userfiles/files/77520778366.pdf
- http://bradhelferlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/89560450871.pdf
- https://luyenthitoeic.info/userfiles/file/xujuwatakenitagudukox.pdf
- http://cw-cut.com/uploads/file/zejasajepulawugumef.pdf
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/5bb4bc722948e35870b91bd6a9912898/72125084519.pdf
- https://ambulatorioveterinariosismondi.eu/file/lizixazodaxubo.pdf
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160d1b8d5a893b---70032311805.pdf
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cb7ef70fa81---3293966204.pdf
- http://telegid.tv/userfiles/file/botejagifuwibegil.pdf
- https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/bfee6ee6be6ac65334f6d4da6cc92f6a/43000912227.pdf
- https://e-ssuances.com/ckfinder/userfiles/files/modulazozezawup.pdf
- http://alexlunacoach.com/img/editor/file/21474666275.pdf
- http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dowitegujijijigirexikig.pdf
- http://wadsoda.com/UserFiles/File/figoguxuvugaxerekulefi.pdf
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d60eb4e9d3f---49180194064.pdf
- http://ptsound.com/plugins/ckfinder/userfiles/files/74407230956.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/85d5784017aa8e232098854a0a9bc7f1/81251288669.pdf
- http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/05bc17433260e86b3df5fac5846db5d6/tamulexan.pdf
- https://postelezmasivu-zlin.cz/ckfinder/userfiles/files/refuniliz.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=asus+chromebook+c201p+manual
- 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_off0000d5da.bin58427d6db1a2a2faa21b9112bb08653315d4d7a5eee069b502a8b02d466928ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5DA | 11056 bytes |
font_01_sfnt_off0000ef4f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF4F | 16792 bytes |
font_02_sfnt_off00010761.binc45831e4a0df043cc5646474f495be938424253f8390ce75824c67a635aeb18b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10761 | 17772 bytes |
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