MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure related to an "Annihilation method pdf". The presence of many external PDF links suggests a link farm or SEO manipulation tactic to distribute malicious content. No scripts were extracted, but the malicious redirector URL is a primary indicator of compromise.
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.ru/pify?keyword=annihilation+method+pdf
- http://files.denny-divinelanguage.com/uploads/1/3/0/7/130776327/7b0c2b7a.pdf
- http://julun.wanderingrae.com/uploads/1/3/0/7/130738950/fatotovitopaxi_kibumo.pdf
- http://files.ibbyireland.com/uploads/1/3/1/6/131606397/2315264.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/9058/3458/files/elementary_statistics_solutions_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lokilus.pdf
- https://cdn.shopify.com/s/files/1/0429/9181/2771/files/47333701747.pdf
- https://cdn.shopify.com/s/files/1/0433/6133/7494/files/29422925577.pdf
- https://cdn.shopify.com/s/files/1/0438/5597/0454/files/garobazipu.pdf
- https://cdn.shopify.com/s/files/1/0432/3583/6072/files/nazopopuzolelunaginimoke.pdf
- https://cdn.shopify.com/s/files/1/0434/9001/7430/files/lidujasevi.pdf
- https://cdn.shopify.com/s/files/1/0434/1481/4885/files/calendario_mundial_rusia_2020_hora_chile.pdf
- https://cdn.shopify.com/s/files/1/0429/7805/0201/files/jipipizukif.pdf
- https://cdn.shopify.com/s/files/1/0431/5227/7670/files/sopenanewelenipuximudijop.pdf
- https://cdn.shopify.com/s/files/1/0428/4622/4551/files/29612017264.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_off00006dda.bin6516a41fe52f8a0e744fad52b62e5ed44043cb54ad6bf6845951f6525b7466d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DDA | 4996 bytes |
font_01_sfnt_off00007eb0.bin1a15fac390684a74d9a3cd51a737310246f6fe9d65e6926b285288e159c13c42 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7EB0 | 10144 bytes |
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