MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress upload directories, suggesting it's part of a link farm designed to distribute malware. The presence of a visual download button further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d77a4e0d93---sajov.pdf
- http://www.everhouse.lt/wp-content/plugins/formcraft/file-upload/server/content/files/160f29c65f19d6---6236097960.pdf
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb77c44888---84780222303.pdf
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609201d84f6ee---fuludepizirasojon.pdf
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/2vve68qfc970oh1pjcrj6irv9a/69525438254.pdf
- http://www.haztartasigepszakuzlet.hu/pics/file/xixen.pdf
- http://northphoenixmustangs66.com/clients/4/4b/4b49b54eec06ebba3741256e9f3e6f2b/File/31882365719.pdf
- http://domainecomps.com/documents/files/vitak.pdf
- http://chanakyaaerospacedefence.com/userfiles/file/zafusafibipowesekotor.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075f9b5ecc63---zetepu.pdf
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a46425c33---fenogi.pdf
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/7bd01399f6d8996141abe87908bbe245/79668005236.pdf
- http://bradleyhillsapartments.com/demo/uploads/contents/file/lorisurefutaxal.pdf
- http://icltindia.in/userfiles/file/kifemoxubolej.pdf
- http://koszyczarek.pl/userfiles/file/nutusudegorofabe.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b0df86e22---puwokefetuzuna.pdf
- http://jarauwerdaenzn.nl/userfiles/file/46070341243.pdf
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/d464749e6b877f3a22d304d98c8349a9/tonufatiwunegu.pdf
- https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/1ae35c20f020ca1cca644c5ff9d5a508/65457743088.pdf
- https://www.chablis-gautherin.com/ckfinder/userfiles/files/palixekoxawaleranas.pdf
- https://cfbadalona.net/ckdata/files/ramevunuj.pdf
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ceba97712e---95673401530.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=olaf%27s+frozen+adventure+full+movie+in+hindi+download+worldfree4u
- 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_off00010d56.bin6aee2095f6bd3c95accb401a9e39e4cdf3f0cc76d76f15c1735fc061aaa91770 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D56 | 11068 bytes |
font_01_sfnt_off00012723.bin59b15a92d3753abaa001ba43141e76266ae90046c88418f4b4857b6ab7813f09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12723 | 17756 bytes |
font_02_sfnt_off00015455.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15455 | 16792 bytes |
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