MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The document contains an embedded JavaScript stream and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users. The presence of JavaScript indicates an attempt to execute code within the PDF viewer, likely to facilitate further malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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 http://all-vehicle.net/js/upload/files/22563180595.pdf
- https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/da992a03050f9a0967d1ede4c863b59c/sekokigirefoxisasoveromu.pdf
- http://coming-c.com/userfiles/file/45504736959.pdf
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/ad22q3ctls72fekdhbohd6uu7b/9292547564.pdf
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609b4da607565---nozoxomuvekirafifube.pdf
- http://hainescentreasia.com/images/file/51567603950.pdf
- http://iswii.net/ckfinder/userfiles/files/binotitof.pdf
- https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/e0763ffd18c16ae1825c96a615c2cd76/45935266227.pdf
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607392eb645e9---29093742988.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160baec55b70ef---94806710757.pdf
- https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/969a6f82f5cfc4f113b336f2d72d6533/xokujizinetikunigin.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c9c22b6ac39---jipojuledururamoxukavofit.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6326a9a645c2bb8086a96c2134584cec/83275292442.pdf
- https://faresaldabbous.com/uploads/files/36468778759.pdf
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160744cfbcd36c---73665440336.pdf
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1609c22c66add6---dokejeraz.pdf
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c09eb3e8af---gijiwutikozubopugov.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082f0d69d54c---26614517600.pdf
- http://stlnsk.ru/uploads/file/jovevofifufez.pdf
- http://darec.sk/files/files/2136258234.pdf
- http://pappteam.hu/userfiles/file/94911121990.pdf
- http://mobydick-band.de/fckdata/file/60960963659.pdf
- https://africanresearchcenter.com/userfiles/file/balapu.pdf
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/3b4a3b0807215656d5fc746db1a379eb/10341347407.pdf
- http://kaitosushisb.com/uploads/files/33483485642.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=wild+geese+mary+oliver+mla+citation+machine
- 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_off0000fe7f.bin9652d9cd94a780c380c9673976a2998d2e52aff83f56c877dae60c8cd37f1e61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE7F | 18068 bytes |
font_01_sfnt_off00012dec.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DEC | 16792 bytes |
font_02_sfnt_off00014603.bin6e63c35ff8dd3192595fb2a71b64d8637e68e73be5928c47123ebe0dc6f422bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14603 | 10988 bytes |
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