MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for delivering malicious content. It includes numerous links to compromised websites and disposable hosting, indicating a likely phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://ever0036.com/assets/uploads/ckedit/files/20210815042104.pdf
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e47c3bd445---nanusedopawepidosepoker.pdf
- http://usagimatur.com/files/others/18174482605.pdf
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/f853165a73ada491855fdff66e4c6510/waronuwira.pdf
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160de3a14d35b9---maruse.pdf
- https://sasalidayanisma.org/uploads/file/fabakikuxo.pdf
- http://epoch-making.jp/js/upload/files/pudusotesitaxokefabuvazi.pdf
- http://petersonspann.com/clients/3/32/32c4b2f41fa698b5b938e848169c8dcb/File/47935208327.pdf
- http://darec.sk/files/files/11821804745.pdf
- https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/5367jmr8ufiqa13oj3lnilge86/dikapukafop.pdf
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/cc5f307f85ae0c6cb074391976f8e5bc/fipikuzizajosidumamemabe.pdf
- https://chambredhotes-savoie.com/ckfinder/userfiles/files/37932816095.pdf
- http://boekenwinkelindex.nl/images/uploads/47136502645.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16127834cc2096---25210373304.pdf
- https://concertwristband.com/resimler/files/likowarugoruvek.pdf
- https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/16082aa9c0e9a2---86020467488.pdf
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/0s9q0ftsfr9ivn5a1b8odt5mri/redimewamabubibi.pdf
- https://spheresignal.com/app/webroot/userfiles/files/robidazirixipuwu.pdf
- https://hgindustrial.eu/userfiles/files/baladitalomabepikasigavol.pdf
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/8l2d5auqc4md3lk6rl1lii9eq7/55446890164.pdf
- http://driver-jazda.pl/upload/file/18709076088.pdf
- http://psn-monolit.ru/img_file/files/kafoxofajipogodowa.pdf
- https://accuratesearch.com/userfiles/file/luguwibozewilewazoxabo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=buku+kultur+jaringan+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_off0000b90e.bin84d59f0d3746be4a0506a8b845bc5bf91ca6b1cf66d61b4764ff78e7e12ab9ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB90E | 15588 bytes |
font_01_sfnt_off0000e051.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE051 | 16792 bytes |
font_02_sfnt_off0000f868.bin249be70fb9d2b08069a392c40fd863fb167c2496161173758594adfb43718515 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF868 | 10628 bytes |
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