MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ClamAV and an ML classifier. It contains a large number of external links, many pointing to Amazon S3 buckets, but one prominent link leads to a redirector URL (https://trafffi.ru/strik?utm_term=ge+led+christmas+lights+c5) disguised with search terms. This suggests a phishing or SEO poisoning attack designed to drive traffic to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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://trafffi.ru/strik?utm_term=ge+led+christmas+lights+c5 PDF link annotation
- https://molireju.weebly.com/uploads/1/3/4/6/134630509/80bb7f8b6c5da.pdfIn PDF document text
- https://jenititufevi.weebly.com/uploads/1/3/4/5/134595561/bunajibadoj_kixikisexe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366399/normal_5f8e8c4b0792b.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/tutapaxi/35361577923.pdfIn PDF document text
- https://s3.amazonaws.com/zirojopemup/synonyms_antonyms_homonyms_and_homophones.pdfIn PDF document text
- https://s3.amazonaws.com/lovetijif/lixijetajunap.pdfIn PDF document text
- https://s3.amazonaws.com/falufusu/adriana_ross_a_former_model_from_poland.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0ba6d238-88af-4a28-9e9d-9bd009e310ff/tiffany_thompson_bruises.pdfIn PDF document text
- https://s3.amazonaws.com/jeworurowam/desktop_backgrounds_artists.pdfIn PDF document text
- https://s3.amazonaws.com/jufowokedunod/the_walking_dead_our_world_cheats.pdfIn PDF document text
- https://s3.amazonaws.com/wujodibu/23854734307.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c2d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2D8 | 5508 bytes |
SHA-256: 76b41acc8ee6c3cbfdb9b3f420fd3cd25dda04f53a1ed1c51b1fd7dd0401347d |
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font_01_sfnt_off0000d566.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD566 | 10376 bytes |
SHA-256: 61284c70c15840cc5136f7519cdc67ec8d806295198b5c2fc33063d02120b180 |
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