MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with numerous URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The PDF structure itself does not contain executable content, but the embedded links are the primary attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/cfb9ce32974a63fd2e1da3e1998e10c8/56324727922.pdf
- https://pearproperties.in/userfiles/file/xuvapeworafalaso.pdf
- http://auburn-properties.com/userfiles/files/zoritojizaworiwo.pdf
- http://thaiboxes.com/piceditor/file/36761992338.pdf
- https://xn--hjrnskadeakademien-mtb.se/userfiles/file/27852914470.pdf
- https://mehreganimaging.ir/images/upload/files/31143680465.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf4f283c16---69903205007.pdf
- https://balaji-technology.com/userfiles/file/96662800860.pdf
- http://4seasonstours.in/userfiles/file/lipowamog.pdf
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160cb3d941dc70---pevalogukasaborigigo.pdf
- http://redondoclassicburger.com/uploads/files/77706731322.pdf
- http://hzeiger.com/userfiles/file/2696679257.pdf
- http://cgemfoco.com.br/ckfinder/userfiles/files/jilojixirosuleruvagavoso.pdf
- https://tailormade-sales-marketing.com/userfiles/file/fimakolarusozus.pdf
- http://newdimension.su/userfiles/file/garadawo.pdf
- https://egyseg.eu/ckfinder/userfiles/files/93674573956.pdf
- http://studiobaldizzone.com/userfiles/files/wasubudejadudapoj.pdf
- http://zonwering-belgie.eu/ckfinder/userfiles/files/nasukupaluvilinepe.pdf
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/8tdkdte3da340h4r4d5uk5gisb/69430930504.pdf
- https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/3b0862ac4fea99f5b9a7a6bb07d04588/lavinonesiwemijaja.pdf
- http://trunglamdecor.com/uploads/userfiles/file/21031797055.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1610353e396031---73599614077.pdf
- http://yesilderecine.com/admin/editor_resim/file/jetususinozavokibol.pdf
- http://winecellarkeeper.com/ckfinder/userfiles/files/toxedififoxevik.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=waste+management+pdf+ncert
- 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_off0000f0dc.bina77d52cf03aa08cb347a9a90e81f7e6d3a0d3b90e372e237808412afc3af60e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0DC | 10696 bytes |
font_01_sfnt_off0001092e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1092E | 16792 bytes |
font_02_sfnt_off00012140.bin997c225f4d4810e05862acad8f6059b8fdcd2a3de4bd2d3b2c28b3109e137855 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12140 | 18284 bytes |
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