MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The presence of 'utm_term' parameters in some URLs indicates a potential phishing or SEO manipulation attempt to drive traffic to malicious destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/1pdbv7a2u73rbv4h57quplqov1/11538850647.pdf In PDF document text
- https://ntpuvoice.com/ckfinder/userfiles/files/vurozevovakitezumur.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/4e4fabc1be71d31ececbb8f193a43755/62719808901.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/tkfkd4a0porbbm7t6ahirqdq63/senoradomobanuvasalur.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/10281993575.pdfIn PDF document text
- http://mikailang.net/userfiles/file/20210502181922_1323312875.pdfIn PDF document text
- http://stardentalcare.org/userfiles/file/90073334537.pdfIn PDF document text
- http://diysmart.net/userfiles/file/11679743069.pdfIn PDF document text
- https://baoholaodong24.com/userfiles/file/76500264629.pdfIn PDF document text
- http://aelma.com/sites/default/userfiles/file/73047004263.pdfIn PDF document text
- https://adlinefor.com/home/webagen/public_html/korn/data/file/fixegewazabujimiji.pdfIn PDF document text
- http://birzebbugastpetersfc.com/files/file/kebukoromudevigazeno.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/4b04c510f56da1e7dfceaa5624d42386/dafojifabigaboxa.pdfIn PDF document text
- https://www.ideaklinikbursa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e88c0091a---94022397383.pdfIn PDF document text
- http://wskinbody.com/data/boardData/files/34650757930.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/zedazebiserorutilige.pdfIn PDF document text
- http://xn--80aafbanafwvcftiqfecrg2a.xn--p1ai/pict/file/davevurerixametow.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/f0e9e05ba9ebe4ad7f138bd35bebe4b3/42305336374.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/6329dcd1b7cb8360debfba3cb5cc7683/42995061516.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c99a655d33a---22266238746.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbddb648195---12337203695.pdfIn PDF document text
- https://unserbiokorb.ch/userfiles/file/toxatetukap.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/d989c634df3b33733f35f3c144ef7f10/renirizepizirazoxa.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=how+can+i+open+my+pdf+filesPDF 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_off0000cbe1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBE1 | 16788 bytes |
SHA-256: 213190198b93a22b72436d06492596e798424946696a374f98bb5654435f8e0b |
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font_01_sfnt_off0000f752.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF752 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010f69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F69 | 10772 bytes |
SHA-256: b21f1b7210cadeb245201fc1dd2695546cb083732efd557accb88b80a0f4c22c |
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