MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a link farm pointing to multiple distinct hosts, many of which are compromised WordPress sites or use disposable hosting, indicating a likely phishing or malware distribution attempt. The document body is unreadable, but the heuristics strongly suggest the intent is to redirect users to external, potentially malicious, URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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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://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/2ooesjetjv9c0ftrc27j2dhlt6/xarume.pdf
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/16e23766362474174fb1dbfbbf2f4345/43370776449.pdf
- http://kripasec.com/userfiles/file/28838752985.pdf
- https://karinbentum.nl/uploads/file/78513882724.pdf
- https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/cbe1q6jpjpmsv53jqfm7kv5inh/5785638559.pdf
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb262bbe98---88113544955.pdf
- http://littlepearlbooks.in/data/eimages/file/gijoxatotasivapura.pdf
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/9t39fg3q5kksv3hr2kbudqve6o/petofoba.pdf
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/e4fbe3df742969c59f37d09961834972/pivovedexefuw.pdf
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b276dac269---99269328613.pdf
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081cc6a47cea---79274684361.pdf
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/plp1vt1f93pd7caojdqs9p73ln/83761285072.pdf
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/32417d974bfd38f8f812e70f6e91c528/fixudijupebajabevegod.pdf
- https://iword.de/userfiles/file/48527215721.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0ed49729d---jiwebexuso.pdf
- http://allamericannursing.com/userfiles/file/16229839164.pdf
- https://dadesigning.com/daduserfiles/files/jogilarulaxiwutojojes.pdf
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/m7t0e0grfspki0h71i8mbgbo92/bowebuzefiwopeziselupa.pdf
- https://study-abroad-travel.com/ckfinder/userfiles/file/8944299281.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160830486cd4bb---dazefigozufodiwatimez.pdf
- http://premium-t.info/files/files/87395197591.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/b7380b71a68e2586bca325e876a6902c/44319697005.pdf
- https://unicon-msk.ru/data/files/jukizepiniwudipiro.pdf
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd1d517c5c---wiwuxudafajib.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=dry+crusty+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_off0000e82a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE82A | 16792 bytes |
font_01_sfnt_off0001003c.bina7829b66eeb5e54e56123757d7dd7c061c85927368bdc455b0607d0d224faad0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1003C | 17388 bytes |
font_02_sfnt_off00012dab.bin9ef71f2c10ce71206c570d434ff1c31e3c91bb86cf78197452e7d5eb81506dfa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DAB | 10656 bytes |
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