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 ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall detection profile strongly suggest a phishing or malware distribution campaign.
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 http://sl-light.ru/design/img/upload/file/61656132468.pdf
- http://worldwidefilipinoalliance.com/uploadedFiles/files/zopuzunugugiru.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/c2ecd24315c29734a2846eb609749582/84643029482.pdf
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aceb28c4cd3---mudaxumekamekikigiguxeg.pdf
- https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/160700caaaf431---52291301624.pdf
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c29f9a9b12d---42028852635.pdf
- http://hzkontejnery.cz/ckfinder/userfiles/files/buzipo.pdf
- https://wipaphun.com/UserFiles/File/71317666895.pdf
- http://canigrup.com/userfiles/file/wivenusiz.pdf
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4ec8495ec5---legoxonibom.pdf
- https://www.varisistanbul.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e87f460068---nirapokibezifoliwebotiked.pdf
- https://primer-spb.ru/files/files/71904995213.pdf
- http://jarosi.hu/files/file/25595928876.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160c18ab777ee3---zekadolavopugu.pdf
- http://taiwanglassgroup.cn/userfiles/file/50913941279.pdf
- https://emmaushuis.org/pages/8931216660.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/bt7j88t9ha3mh3kugbjv8u8ism/67561755220.pdf
- https://bda.ch/ckfinder/userfiles/files/zogovuramiti.pdf
- https://dubaimotorcycletours.com/uploaded_images/files/keperoxajixa.pdf
- http://polymer-optix.de/userfiles/file/30434226829.pdf
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac405aef4aa---makupelurof.pdf
- http://instant-image.net/UserFiles/Site/File/volalo.pdf
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/hehgnc3pkak80vo1qud1mg19na/xoperazadaj.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=fast+pdf+viewer+android
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/fe30e1fd4be530291993137b061aaf7c/zelajoxo.pdf
- 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_off0000d7ce.bin029517e6dc4831e57556d2da531a67b733f978fac3f06ede367a2cc3254cb18d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7CE | 16912 bytes |
font_01_sfnt_off00010419.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10419 | 16792 bytes |
font_02_sfnt_off00011c30.bina0a03488fa6e02862518600afc54c9d58a9834633f885d19f1377f58a93907f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C30 | 10576 bytes |
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