MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many of which are part of an SEO link farm, indicating a malicious intent to drive traffic to specific sites. The heuristic 'PDF_SEO_UTM_REDIRECTOR_LINK' specifically flags an image lure linking to an SEO redirector at 'https://gimoguvi.ru/strik?utm_term=all+the+months+and+their+zodiac+signs', suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection further support the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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://gimoguvi.ru/strik?utm_term=all+the+months+and+their+zodiac+signs PDF link annotation
- https://sokijolixorinus.weebly.com/uploads/1/3/1/1/131163896/fca2e757ae04.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4457281/normal_5fca43472533e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416796/normal_600a41045755c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402718/normal_601465c805d96.pdfIn PDF document text
- https://pakipuxis.weebly.com/uploads/1/3/5/3/135347710/fakotadugebeke.pdfIn PDF document text
- https://giwuvapelefawi.weebly.com/uploads/1/3/4/8/134869604/gorajolaxu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4401716/normal_60698c7ea4664.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366341/normal_5fd2ad40edbcd.pdfIn PDF document text
- https://jizufuvarax.weebly.com/uploads/1/3/1/1/131164460/ab9c6446c38f94f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/wizuluworafid/archaeologist_bard_guide_pathfinder.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1280343d-474b-4345-9a42-f4b584d61ca6/bojoluda.pdfIn PDF document text
- https://s3.amazonaws.com/kokesatodixon/gestational_trophoblastic_disease_guidelines_acog.pdfIn PDF document text
- https://s3.amazonaws.com/batoragubukepo/bejowumixoderajeraf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c597b2ad-e2bf-4be6-8de4-38f439aff38f/3_billy_goats_gruff_colouring_pictures.pdfIn PDF document text
- https://s3.amazonaws.com/gezizefefififa/kobavuwafizewuxog.pdfIn PDF document text
- https://s3.amazonaws.com/bevarolimesale/zowotabumatuderafur.pdfIn PDF document text
- https://s3.amazonaws.com/simujix/47844939075.pdfIn PDF document text
- https://s3.amazonaws.com/wivunonovef/airline_safety_management_system_manual.pdfIn PDF document text
- https://s3.amazonaws.com/risisipajole/indian_army_whatsapp_status_video_2019.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/978394cd-cf79-4948-adfa-a18198c4fb74/how_to_use_gopro_hero_4_as_webcam_without_hdmi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e0d20952-cec9-4782-8725-41de6341073e/39217733724.pdfIn PDF document text
- https://s3.amazonaws.com/wekibik/19731336471.pdfIn PDF document text
- https://s3.amazonaws.com/tumuzu/kexuzovukuxopo.pdfIn PDF document text
- https://s3.amazonaws.com/sizabo/puzezes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e94dab07-dab6-4714-9674-183a3215f64d/64693052607.pdfIn PDF document text
- https://s3.amazonaws.com/banula/nudap.pdfIn PDF document text
- https://s3.amazonaws.com/tuxenipup/goku_vs_android_19_dublado_completo.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_off0000f559.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF559 | 5392 bytes |
SHA-256: a5d5b5c4ba29f555be51c8502e4de8838560ce6f1c573695d657843f81df3304 |
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font_01_sfnt_off00010784.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10784 | 11060 bytes |
SHA-256: b9c16db271b9082379ddc1c50a709b59b13ab6b31492f40d0b81ab6d2ade33b4 |
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font_02_sfnt_off00012c65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C65 | 16296 bytes |
SHA-256: 1eb2d602a8f0fbd29cf35e28249ef192f748b5a163674ba4d9c287d47c1a48c9 |
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