MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a mass of external links, including a known malicious redirector, disguised as a Google Chromecast extension offer. The ML classifier strongly indicated maliciousness, and the document body, though garbled, contains the redirector URL. The presence of numerous PDF links suggests a link farm or SEO abuse tactic to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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://ttraff.club/pify?keyword=google+chromecast+extension
- http://zamer.musicconnectionsministry.com/uploads/1/3/2/6/132683121/269073.pdf
- http://files.darksideofthetrail.com/uploads/1/3/2/8/132815979/3a198b271dbc17.pdf
- http://gowupovon.outlawactionsports.com/uploads/1/3/1/4/131407558/7e1940112e0997.pdf
- http://files.myhighlandcreek.org/uploads/1/3/0/7/130776439/41b7f080880c3.pdf
- http://files.suncoastsoul.com/uploads/1/3/1/3/131379612/baretanemomimu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/be19e1_f153c4121d6840918c0370ee5bf7e0d6.pdf
- https://static.usrfiles.com/ugd/9b7d8a_033a4cde9f10493ca479b4a31fcfa259.pdf
- https://static.usrfiles.com/ugd/b444d4_1c6b41e3717c4de89936713acc723cde.pdf
- https://static.usrfiles.com/ugd/b8c837_54b08894991047e582f1b28c977478ce.pdf
- https://static.usrfiles.com/ugd/b85eb0_48a2bf706cc940609b9454873105297e.pdf
- https://static.usrfiles.com/ugd/e02969_40f8d526aed4446bac72e912a543dbb2.pdf
- https://static.usrfiles.com/ugd/b8c837_bd83b711650c46d0ace2eb252c52e830.pdf
- https://cdn.shopify.com/s/files/1/0435/2756/9576/files/11303760809.pdf
- https://cdn.shopify.com/s/files/1/0431/8163/7794/files/lurififimanevatani.pdf
- https://cdn.shopify.com/s/files/1/0448/4051/7792/files/letters_to_the_lost_brigid_kemmerer_espaol.pdf
- https://cdn.shopify.com/s/files/1/0432/2400/6823/files/bivoxuvorikomuxega.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000063b0.bin98cd9908fae7abf96cc6d43a412ec9f5ae36dec96e0d3fc76ac0aa5a53369a58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63B0 | 5312 bytes |
font_01_sfnt_off0000759b.bin152f50494995a308fdba27bd7eac0e5a2bfec839506f14c25c65d462284228d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x759B | 10196 bytes |
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