MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous URLs, many of which are part of a link farm hosted on compromised WordPress sites. The primary URL, 'https://nomylo.ru/uplcv?utm_term=hacker+baba+virtual+space+download+apk', suggests a lure related to downloading software. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 7
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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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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 https://nomylo.ru/uplcv?utm_term=hacker+baba+virtual+space+download+apk
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec2c9e7e48---gibomoxa.pdf
- http://gelikonline.ru/content/Files/87411965539.pdf
- http://progfin.pl/userfiles/file/99856797061.pdf
- http://mindatpeace.us/uploads/files/81350634187.pdf
- http://keralastatetailorsassociation.com/userfiles/file/zuzerosol.pdf
- http://elitsatodorova.com/uploadfiles/file/80828002877.pdf
- http://hoclaixebinhthuan.com/upload/contentFile/file/kosudezamurutuwe.pdf
- http://l-max.ru/userfiles/file/75630788780.pdf
- https://rsebolivia.org/userfiles/file/purarosudowazilenuzuja.pdf
- http://zenkatsu.dk/files/wuzomenebipatuwoni.pdf
- https://anpheatingandac.com/nbloom/fckuploads/file/bupiturowikarazuwe.pdf
- http://movesearchesuk.com/userfiles/file/66308749155.pdf
- https://zbmbudomont.pl/userfiles/file/39248183323.pdf
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/6a09d51a1c055aaa4f76efaeded9ead6/52591607679.pdf
- https://priscar.com/documents/files/gamekopelaxavuvokivi.pdf
- https://pikhospital.com/ck_uploads/uploads/files/dasowibozikegabu.pdf
- http://frutapac.es/ckfinder/userfiles/files/85245564763.pdf
- http://kamerton.nl/clientfiles/11194118771.pdf
- https://hr-serdahel.hu/images/file/59232717375.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f1f09948d0---72451931417.pdf
- http://www.palmettoexpresslanes.com/system/js/back/ckfinder/userfiles/files/73053316228.pdf
- http://kfnmsz.com/upfolder/e/files/20210910225447.pdf
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8fd945bf9---voguvek.pdf
- https://x-leather.com/radsportfiles/file/felulufiwejewux.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_off0000d933.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD933 | 16792 bytes |
font_01_sfnt_off0000f145.bin4ac98a35cd8c9492ec2e71a3a464c7fa118c0db5f6889f2186e6f49d41638006 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF145 | 17360 bytes |
font_02_sfnt_off00011e49.bin3fef35943eb9efc2645005eeef92373f49d40d77c85f606335a0254f0fb490ab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E49 | 10984 bytes |
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