MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing or malware distribution lure. It contains embedded JavaScript and a large number of external URIs, many of which point to compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The PDF structure itself is a link farm designed to obscure the true destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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 https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/9f69c03876e3cd9fd5be32b329e522a9/lipiwasovilorilelis.pdf
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160990a970f782---mijajixujizisepazu.pdf
- https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/7ab4c29e1adcc58f70ef2bfc0a91669d/13121892125.pdf
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/e22b302ad316a2f67d381d873b2c2e19/90234949176.pdf
- http://flightshop.jp/images/blog//file/76965970564.pdf
- http://daieimotors.com/js/upload/files/17554010405.pdf
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/508e5d8452c8ee26bd5ae1d76b3fcc80/xirilarazewim.pdf
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c6f93d8b22d---danowopa.pdf
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/aaadaba7d215d3f63b7950a010c056a3/74867593487.pdf
- https://gretajensen.com/ckfinder/userfiles/files/matoxamudujoraza.pdf
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c15a9306732---jikaxomoginugufogoj.pdf
- http://frederickfollows.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160838ae8de718---20660255684.pdf
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/5ddb903ffa4b1b2f50a83c3070607f54/51513993915.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/28cjtol0lb8svfaj8ep5vvap43/zezopumotoderarorofujudod.pdf
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609692c1a281a---49002946749.pdf
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/03klnumt1ng32ghj753vst2nr6/98542597441.pdf
- https://hostsolutions.ro/app/webroot/files/userfiles/files/72352701724.pdf
- http://zhengfutz.com/v15/Upload/file/20216222155469279.pdf
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/2c4d23422af75189418aa0b781178fd1/wumujozapojogixonuwefule.pdf
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bff296c9ee6---5628041425.pdf
- https://terlickodds.cz/www/www/fckphotos/file/3576973335.pdf
- http://albino-pitti.com/pub_img/file/timufewubu.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097ba711ab6a---51491481770.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=red+skin+patches+on+face
- 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_off0000f67f.binfb39ee123e4b617ac5c85747846b95b10665e601a0f82a6e21ee6bc69dbd99a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF67F | 10708 bytes |
font_01_sfnt_off00010f0f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F0F | 16792 bytes |
font_02_sfnt_off00012721.bin2c5dc869d08dbf5f1e1283356cbf2bdb1bae3febee4a56667db9b4560536559e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12721 | 16696 bytes |
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