MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to distribute malicious content. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, and 'ML_NYX_PDF_MALICIOUS' along with ClamAV detection strongly suggest malicious intent. The document body, though heavily obfuscated, appears to be a lure related to curriculum vitae templates.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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://maypoin.ru/award?keyword=curriculum+vitae+template+free+download+pdf PDF link annotation
- https://cdn.sqhk.co/zudilubal/Pm4hjin/8549434102.pdfIn PDF document text
- https://cdn.sqhk.co/feletitami/dge84dT/70666946994.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4390324/normal_5fd05caf276b3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480878/normal_603e68bf3196d.pdfIn PDF document text
- https://dixufewopirar.weebly.com/uploads/1/3/0/7/130775961/vukelefegitej-zesavinazejitow-wareba.pdfIn PDF document text
- https://depemazijibibo.weebly.com/uploads/1/3/4/8/134846300/430946b5862b31a.pdfIn PDF document text
- http://roralukomoko.22web.org/sein_und_zeit_von_martin_heidegger.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4486565/normal_6004109cc550a.pdfIn PDF document text
- https://bugabomusajo.weebly.com/uploads/1/3/4/5/134509224/faketid_bomet.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454419/normal_600be9985c4ce.pdfIn PDF document text
- https://cdn.sqhk.co/gizoxemovefi/uMFhihd/36932120789.pdfIn PDF document text
- https://vadopesi.weebly.com/uploads/1/3/0/7/130738994/d85493d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416504/normal_601f38c5a09ce.pdfIn PDF document text
- https://cdn.sqhk.co/radofufalam/Fhgji5W/jetinotexosuzejapuri.pdfIn PDF document text
- https://cdn.sqhk.co/dediwifime/icfhfgh/gold_train_frvr_best_railroad_connection_game.pdfIn PDF document text
- https://zikowetaxubof.weebly.com/uploads/1/3/4/0/134012945/3b45eb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://melaworogafema.epizy.com/cetoacidosis_diabetica_2018.pdfIn PDF document text
- https://c538924d-9290-4e35-808b-5013ecaac822.filesusr.com/ugd/047ea9_a279b2643ec44dc3974ddea2cf9af996.pdf?index=trueIn PDF document text
- https://3d7c42e8-cad9-4196-8f3c-0f210fd97588.filesusr.com/ugd/1b7c00_c3ac93a1085845bd8a0e98ed48cbb291.pdf?index=trueIn PDF document text
- http://pofiviluzadifu.rf.gd/sikalastic_710.pdfIn PDF document text
- http://dovagoxaluzof.rf.gd/81167905591.pdfIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f919.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF919 | 5180 bytes |
SHA-256: ce8621170168b7c8eaa02a2329e10765acc142a65e7b425087785ec9514be380 |
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font_01_sfnt_off00010ab6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AB6 | 10732 bytes |
SHA-256: 3f7c1ccd8d2903ed597d3380a60a9088d1ad2a93436af422514298a50255bfb2 |
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