MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document contains numerous links to disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URL 'https://allytemp.ru/uplcv?utm_term=multiple+of+4+and+5' is a primary indicator of malicious intent, likely serving as a redirector or payload host.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 5
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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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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://allytemp.ru/uplcv?utm_term=multiple+of+4+and+5 PDF link annotation
- http://hunicorn.hu/userfiles/file/92932420649.pdfIn PDF document text
- http://nissanotogovap.com/uploads/images/files/bigokudajakoxuwonij.pdfIn PDF document text
- http://rivebistro.net/ckfinder/userfiles/files/4543554803.pdfIn PDF document text
- http://xhslsh.gdx.cn/ckfinder/userfiles/files/walabamuzela.pdfIn PDF document text
- https://fotografski-studio.kost.si/userfiles/file/5255596330.pdfIn PDF document text
- https://amoslodge10-org.alljobsinliberia.com/ckfinder/userfiles/files/rusadefaxamozatisosoko.pdfIn PDF document text
- https://brigitte-farner.ch/userfiles/files/zadubip.pdfIn PDF document text
- http://profil-metall.de/content/uploads/file/wuvibomotofab.pdfIn PDF document text
- http://ccswcd.com/userfiles/file/pusoxilijaxubirasiwis.pdfIn PDF document text
- https://calprin.com/ckfinder/userfiles/files/46229217139.pdfIn PDF document text
- http://turchifiltri.com/userfiles/files/gizabojak.pdfIn PDF document text
- http://naturestuff.nl/siteimages/file/51398517031.pdfIn PDF document text
- http://udmvdpo.ru/images/files/vofiwi.pdfIn PDF document text
- https://b2b-intelligence.it/uploads/file/vunotolofavumolemug.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/gqv3g12cdfo3rv7adpum0u1jp5/9134786285.pdfIn PDF document text
- https://gtijsr.com/userfiles/file/xawogewejalederavumivusek.pdfIn PDF document text
- http://joyandwowbook.com/upload/file/78077716438.pdfIn PDF document text
- https://tvsporedi.si/vsebina/61768838950.pdfIn PDF document text
- http://2015.letnifestiwal.pl/ckfinder/userfiles/files/zararutufizedanalax.pdfIn PDF document text
- https://marblobath.marblobaths.ph/app/webroot/img/files/timuwolakegetilone.pdfIn PDF document text
- http://ketphatthinh.vn/upload/files/1875194269.pdfIn PDF document text
- https://bengalroys.com/ckfinder/userfiles/files/fixerud.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://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_off0000acfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xACFB | 10528 bytes |
SHA-256: 9260b5ea43fc04fc210c1ab99691585eb97772ba370d747f9f2ab805de1ad199 |
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font_01_sfnt_off0000c51e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC51E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000dd30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD30 | 16424 bytes |
SHA-256: e253ec10c38ff9a717b934ad1877686178fb27e4972b57a47ce69a4db4bbe5f2 |
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