MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to compromised websites, many of which are hosted on disposable domains and appear to be part of a link farm designed to distribute malicious files. The ML classifier strongly indicates maliciousness, and the presence of external URIs suggests an attempt to redirect the user to a malicious download. No scripts were extracted, but the overall structure and URL patterns are indicative of a malicious document distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9967
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://allytemp.ru/uplcv?utm_term=the+escapists+free+download+mac
- http://ipllaser.in/uploads/lixowitapodesegokunom.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088c2739b3e4---74550729857.pdf
- http://somsit.com/ckfinder/userfiles/files/menovuraxavikab.pdf
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf763a55bdb---tozemoridobutirafow.pdf
- http://tragadsonisurat.com/ckfinder/userfiles/files/60972109326.pdf
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/ir397bcc0cl5bboiueug6v9c1t/26866903526.pdf
- https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/316fd3c8a923286bdb1948c8c2c55ea6/jigakimolijogo.pdf
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/d5c893f55c923cf7c3401f86ec1e00e2/80706900522.pdf
- https://augsburger-dartliga.de/uploads/file/luxuzelupepofa.pdf
- http://hrudolf.com/userfiles/sizijuvex.pdf
- http://eugensa.lt/app/webroot/uploads/userfiles/files/ledotijupunavop.pdf
- http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1608da6e3b1cde---lanow.pdf
- https://addsfly.com/userfiles/file/tinitexotibabo.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bd550bb68b4---40831925911.pdf
- http://acecaalcoy.com/userfiles/file/84656371480.pdf
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160817ae05e3a6---73363320287.pdf
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/52ca0d576d1658d7036d51d9f802c0c8/lixajedusagedogujux.pdf
- http://jyjwqj.com/uploadfile/file///2021060219284888.pdf
- http://akinmedical.com/uploads/file/92927777246.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e69ed24a7d---84727211413.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_off000231b8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x231B8 | 16792 bytes |
font_01_sfnt_off000249cf.bin85d5bdefd7811a6cc5d11c7513d93b5a57ebd23edff4d10a658593de5f58f8f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x249CF | 10932 bytes |
font_02_sfnt_off00026300.binf056625c04af5c30fdbe0f83a3aa6c42b721ded126eafaabd8dd13931664bde3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x26300 | 17696 bytes |
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