MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external links, many pointing to disposable hosting or compromised CMS upload directories. This suggests the document is designed as a link farm to redirect users to malicious sites, likely for phishing or malware delivery. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9941
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 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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://linkingpeople.info/userfiles/file/67697684551.pdf
- http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/5qrs4ia8j73c84r5jmsr5ikut5/wapoxetafe.pdf
- https://agrilaui.com/userfiles/file/50700954212.pdf
- https://pasarantogel.com/contents//files/44191676841.pdf
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160c155e898706---52505455515.pdf
- http://etcad.net/np/upfile/file/bajagugos.pdf
- http://iberia-ex.com/images/blog//file/fukatulege.pdf
- http://angelescare.com/userfiles/file/25049372136.pdf
- http://paintmaster.hu/js/ckfinder/userfiles/files/74346552988.pdf
- https://faresaldabbous.com/uploads/files/nafelimi.pdf
- http://bclgrouptt.com/userfiles/file/nepuwenudomevisawajog.pdf
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/b98u5j2omrol4s61smp6d2lrb3/gisonevotadoropif.pdf
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f09eeb0126---88145189227.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b5feb73dc36---sawowowepena.pdf
- http://goodwynva.com/clients/d/de/de91e19d235d8a3764238851c6b73f99/File/12575916064.pdf
- http://lexen.ca/userfiles/files/5161313744.pdf
- https://planet-for-events.de/userfiles/file/22887226287.pdf
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/ba1f2ed06e55c04bc551986ed3a43f94/97273470803.pdf
- https://smobiil.eu/userfiles/files/xaviboxoritewof.pdf
- https://heider.ru/wp-content/plugins/super-forms/uploads/php/files/b02e2bb0fc049226def6b0e43e465aa8/kusuruv.pdf
- http://euredit-editions.com/userfiles/file/63423799781.pdf
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c52e4e7acb7---bozaz.pdf
- http://bjhtdszdh.com/v15/Upload/file/2021624121367959.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=creating+hyperlinks+in+indesign
- 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_off00016db4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16DB4 | 16792 bytes |
font_01_sfnt_off000185c6.binb800cd22a85689df17d18394183ef0c88657dfbf97b30b60f4f9b6870a444ef2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x185C6 | 17860 bytes |
font_02_sfnt_off0001b491.binbec7e94775b3b2fce8bb543ba6a29a183666ff577dfc2158f9691cd442fbd85f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B491 | 10788 bytes |
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