MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or are part of a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The presence of 'utm_term=apk+para+android+whatsapp' suggests a lure for Android-related applications, potentially leading to malicious APKs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://crewmak.ru/uplcv?utm_term=apk+para+android+whatsapp
- http://ryukatsu.com/userData/board/file/benowedexisukotov.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613410850b076---41465599928.pdf
- http://gestioniarmatoriali.it/37880741917.pdf
- https://sunpower.lv/ckfinder/userfiles/files/24703814583.pdf
- http://bielle-srl.com/userfiles/files/daxepijanimaregorexag.pdf
- http://domario.ru/userfiles/file/kibowimerulefo.pdf
- http://poultech.net/d/files/gigunipopezukuwigopuso.pdf
- http://mawarids.org/mpfiles/file/lugugobibunozaxisadi.pdf
- http://metallpress.ru/files/36574793578.pdf
- http://marklaliberte.com/fckupload/file/gimobulusaxawesirifulo.pdf
- http://machinegroup.ru/img/outer/files/38692023604.pdf
- http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/17014849995.pdf
- http://jjw-led.com/userfiles/file/57473047937.pdf
- http://flooroverstock.com/admin/userfiles/file/3924336695.pdf
- https://congchunghadong.com/uploads/files/28218615948.pdf
- http://toszegisuli.hu/userfiles/file/72444857710.pdf
- https://wfca-czech.cz/temp/userfiles/files/92150693322.pdf
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613109618783d---66040829040.pdf
- http://ecolservizinettuno.com/userfiles/files/62591276373.pdf
- http://redactron.com/userfiles/file/gosiki.pdf
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16136eec187281---8659072157.pdf
- http://life-homeshop.com/asset/uploads/files/kijew.pdf
- http://www.jasfec.com/imgs/uploads/kolabilo.pdf
- http://konferencii.org/web/uploads/assets/file/53938294184.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_off0000e812.binb31feb57b3e7c53e7e9e24c6b16741b1b3f114cdd107b9e3752c8ed20fa59aa6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE812 | 18276 bytes |
font_01_sfnt_off0001178e.bin8698a002f2df72f987ee46ea3eeb09fba56a432dba8f13454dd16e7e1d29cb10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1178E | 10468 bytes |
font_02_sfnt_off00012f5b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F5B | 16792 bytes |
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