MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF file was flagged by multiple critical heuristics as malicious, including a redirector link and ClamAV detection. It contains a link farm pointing to numerous external PDFs, with at least one URL leading to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of redirectors and link farms suggests an attempt to lead users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://gettraff.ru/aws?utm_term=pure+data+drum+machine In PDF document text
- https://sobopagugakevul.weebly.com/uploads/1/3/4/8/134881985/faledavab.pdfIn PDF document text
- https://mominebokax.weebly.com/uploads/1/3/4/8/134899741/de65fb5b.pdfIn PDF document text
- https://lifezubolafa.weebly.com/uploads/1/3/4/7/134715310/2100535.pdfIn PDF document text
- https://momigetufi.weebly.com/uploads/1/3/4/8/134876151/dudivaz_riwodetek_rirugibibo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/af322b82-fe72-478d-8711-c5c717c4e648/an_elegant_defense_review.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5b3db37d-98d5-44d3-8332-5e6a1273ccb1/65138842569.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4149d100-394c-4bc6-9abd-51deb4f0263b/59355941529.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc68dcde9fc3622d549048f/t/5fce6f1dbae22f0466a7d3c8/1607364381927/64392272062.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3eba6d70-4b28-4afa-b60e-674821c4518e/duromax_generator_owners_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a8b1f892-5936-4a2b-9a1d-d199b2728c23/30760553247.pdfIn PDF document text
- https://s3.amazonaws.com/rekorewexidiwo/unearthed_arcana_d_d_3._5.pdfIn PDF document text
- https://s3.amazonaws.com/zufaxepixiguxax/50348416330.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1476c73e-5b6c-4833-a341-a3ad7cc8d66a/tannoy_speaker_review.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_off0000cf6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF6B | 4972 bytes |
SHA-256: da7bfed604bd3f80c6573ae5e000982c272a3be997786a3013b564df506b0714 |
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font_01_sfnt_off0000e026.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE026 | 10876 bytes |
SHA-256: 64e99ed6d3fe80be4991a6d75c163b662c23a94463b8980cf0f39b435184300f |
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