MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress sites and disposable hosting, forming a link farm. ClamAV and ML classifiers identified this PDF as malicious, likely a phishing or trojan delivery mechanism. The embedded URLs suggest an attempt to redirect the user to a second-stage payload or phishing site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://vijyaiprismcrm.com/userfiles/files/62515696979.pdf In PDF document text
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/16071c0153bc68---10189650345.pdfIn PDF document text
- https://soudurelauziere.com/upload/editor/file/jatutes.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/87020d5df49c4bfee170106c0c6f3d88/dofejixuzatodusote.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b5043c148---37565322794.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16077ac4c3e8c9---85236146096.pdfIn PDF document text
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/b16uc058qk6p67ijmv8rrcngcb/49592047952.pdfIn PDF document text
- https://cecprint.com/images/file/jesosuku.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/9eaea3a1be030c6c6d88f3bfcbf37263/rulipuwegidajawid.pdfIn PDF document text
- http://standartbio.com/fckfiles/file/67855128999.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a47d6a66ae7---mimokalibuduwovagagi.pdfIn PDF document text
- http://richardarnoldalumni.com/clients/a/ad/ad1dcfa6f69ac51e3fe6bec18f6cf6d6/File/nozubivilolikalesilodowi.pdfIn PDF document text
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608f7ac7b19c0---gaxuten.pdfIn PDF document text
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/32aa4c72173906fd6a00cf9eb7b15193/xevele.pdfIn PDF document text
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9fc0903d1---fobotorejemadodiv.pdfIn PDF document text
- http://szrealty.net/uploadpic/2021-5/file/2021051106020673499.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/sssur7e25v6c7cok0s2ao0qmm6/81825227786.pdfIn PDF document text
- http://nrnchina.com/test/images/ckfinder/files/zorajanapirilutezisozamis.pdfIn PDF document text
- http://alliance-ltd.com/userfiles/1048216106.pdfIn PDF document text
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/896d1c0350da02b7222a4d30f6734d65/53293784083.pdfIn PDF document text
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/fca0125c22fe056939115e066c87dda2/pojip.pdfIn PDF document text
- https://mmagame.com/userfiles/file/10566078716.pdfIn PDF document text
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/mtvsvpnbrepftmkpiiemdb1bil/65351822231.pdfIn PDF document text
- http://alaskacounseling.org/clients/8/87/870ae3779d21e956d596131c1dd113ff/File/bepiregi.pdfIn PDF document text
- https://parquesanalbertohurtado.cl/ckfinder/userfiles/files/loxisixenezogumu.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607db4f0ee471---6455236289.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=an+introduction+to+categorical+data+analysis+3rd+solutionPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f812.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF812 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011024.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11024 | 17540 bytes |
SHA-256: fa885bf810a015f28470ba7b85341e166cd5ce4d6df686204249cc2a7838a651 |
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font_02_sfnt_off00013e31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E31 | 10912 bytes |
SHA-256: c31af643b6d72a96916ee3a7258ceaa69ac0a31f0a69f476976492f1f9598452 |
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