MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which are SEO-optimized and lead to other PDF documents, indicating a link farm or redirector strategy. The primary malicious URL identified is https://baarspo.ru/123, which is likely used for phishing or malware distribution. The presence of ClamAV detection and ML flagging further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://baarspo.ru/123?utm_term=white+precipitate+of+barium+sulphate+is+formed PDF link annotation
- http://golivexi.22web.org/92886306096.pdfIn PDF document text
- https://sawisede.weebly.com/uploads/1/3/2/6/132681865/nijonorepebidapaxago.pdfIn PDF document text
- http://fejugutafilevin.scienceontheweb.net/anemia_hemolitica_clasificacion.pdfIn PDF document text
- https://s3.amazonaws.com/viregujipowuru/44006256512.pdfIn PDF document text
- https://s3.amazonaws.com/sukobogixe/81562194680.pdfIn PDF document text
- https://s3.amazonaws.com/zobuwubedak/50354703487.pdfIn PDF document text
- https://s3.amazonaws.com/sugowubuf/roduzojilutexamejus.pdfIn PDF document text
- https://fojumotapikapig.weebly.com/uploads/1/3/4/3/134372119/vutezoxe_mabos_fomewa_kekikofevi.pdfIn PDF document text
- https://s3.amazonaws.com/zarelusipofox/1749273508.pdfIn PDF document text
- https://s3.amazonaws.com/mevuzokekenojab/android_app_development_course_in_urdu.pdfIn PDF document text
- https://s3.amazonaws.com/vuterijoze/compare_and_contrast_worksheets_for_6th_grade.pdfIn PDF document text
- https://s3.amazonaws.com/jubiferekaka/69194085603.pdfIn PDF document text
- https://ronabamipiboti.weebly.com/uploads/1/3/4/5/134598089/loxufipu_witojedufoweg.pdfIn PDF document text
- http://lunagogafoxoj.sportsontheweb.net/wagewunofizer.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://mosasawimip.epizy.com/16440413257.pdfIn PDF document text
- http://milebulijulami.onlinewebshop.net/43978161467.pdfIn PDF document text
- http://xenavak.rf.gd/96772842676.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dbf274cf-1b23-4f19-abbc-351c1e13b2ac/mudinuvaxulowenuvuzotokuf.pdfIn PDF document text
- http://matavun.epizy.com/dd_5e_rules_for_rolling_stats.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/411dbe95-c4a0-40a2-85f8-27d395f53b60/2825313100.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/13435392-1de7-4350-929e-2875fb2f8593/xedesanemubojuliw.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/47885e76-ffd8-424b-b6d4-d3910bf70c93/new_england_bees_tyngsboro.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/00fde0c9-7098-4644-9b6c-c92367ebabf1/2457126133.pdfIn PDF document text
- http://pizenusogusu.atwebpages.com/17004111148.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
- 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_off0000eabb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEABB | 5548 bytes |
SHA-256: deb00ea3349a3e36263a31d45d84d5983d548f92ce060dbf8196e3baac518501 |
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font_01_sfnt_off0000fd71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD71 | 11884 bytes |
SHA-256: 738622c13e768a0115e7b05c7309e47e1b8426044f1a3809efe204361471cc0c |
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font_02_sfnt_off00012528.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12528 | 16080 bytes |
SHA-256: 3d50f22d3ae6d9a4461c814f81554cc573a3512c555c2f223aedeeaca19cd658 |
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