MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and is flagged as a link farm on disposable hosting, suggesting a phishing or SEO manipulation tactic. The presence of embedded JavaScript, along with ClamAV detection as 'Pdf.Phishing.Trojan', strongly indicates malicious intent. The ML classifier also returned a high probability of maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://driscollandgibson.com/images/edit_images/file/biditakozebul.pdf
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/ae1kfp92tlv907a383up0phndo/61244804668.pdf
- https://musikkursus.dk/userfiles/file/rijof.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/j01sl7o8b24jrud2nisp3jm5g6/vaguwuvini.pdf
- https://apz-arte.com/ckfinder/userfiles/files/moliz.pdf
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076849dd04d6---87254971492.pdf
- https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/1c98cc0516e0fe476e3c206560214a0d/gebewaxoboxelitometi.pdf
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/226a377556ef98e7bbc346986be530d1/juporeduwituzedeges.pdf
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/6245e18887e116972c41d71a64abad30/93244296980.pdf
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/e674b7713ebba0f299b9f41bd55a407f/65433663203.pdf
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1607d42813c031---65747633887.pdf
- http://asupuro.com/upload/save_image/files/79946038581.pdf
- https://mercerapparelss.com/userfiles/files/8473978824.pdf
- http://globalquestconsulting.com/userfiles/files/99872687724.pdf
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160aab299d2893---negavob.pdf
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/fbfc8ffa9a017562a8ae8030646bd241/semajiliwakuwototiwebovaw.pdf
- http://jpbullies.com/clients/2/2c/2c827f09d77a589c2c5c7da8c033a3f4/File/zemamirudagomeda.pdf
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/c3098ef247476e4f3b77192f04cd5f6c/punapop.pdf
- http://inlovehuahin.com/file_media/file_image/file/gerawovuditiwuzuw.pdf
- http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210501103435688447ie6u23.pdf
- http://bmcnx.com/userfiles/file/besuzo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=how+many+haploid+cells+does+mitosis+produce
- 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_off0000fdea.bin788537079b59e4f2c17d229974c1f0b9741f2bfaa71c65ebe2f9bd73c2990e76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDEA | 11072 bytes |
font_01_sfnt_off00011782.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11782 | 16792 bytes |
font_02_sfnt_off00012f94.bin255bcca745c2c5c4a57b6ab7c72b9d822d9c04b5acfbbd8dff15f0f495d7de5d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F94 | 16956 bytes |
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