MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, many of which point to domains associated with link farms and redirectors. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' specifically flags a URL leading to known malicious infrastructure. The document body, though partially corrupted, contains text related to 'Asymmetry book pdf' and the URLs, suggesting a lure to download a malicious PDF disguised as a book. No scripts were extracted from this sample.
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/wb?keyword=asymmetry%20book%20pdf
- http://files.farmarcadia.com/uploads/1/3/0/9/130969242/dotasuwora_dazikuna_foxesajezasowa.pdf
- http://files.crunantucket.com/uploads/1/3/2/6/132680926/kumelovusufakexo.pdf
- http://files.jlongkandb.co.uk/uploads/1/3/1/6/131606368/da1337258866eff.pdf
- http://files.astablaksiberians.com/uploads/1/3/2/8/132814969/weduwapem_vedosorebezemib.pdf
- http://files.sports-journalism.com/uploads/1/3/0/7/130739926/vuvudafufutu-refedir.pdf
- http://files.glowmedica.com/uploads/1/3/1/3/131383283/6000948.pdf
- http://files.ordersretreat2020.org/uploads/1/3/1/4/131437823/3685399.pdf
- https://xevabutifun.files.wordpress.com/2020/06/vokimabiwujo.pdf
- https://zetafupoferu.files.wordpress.com/2020/07/24786282929.pdf
- https://gafupatuze.files.wordpress.com/2020/07/95656156876.pdf
- https://jevodoniweku954148245.files.wordpress.com/2020/06/buronoguzenewe.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/6219719719.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/fufabolip.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bojakotipizijogi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/2857609843.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00007641.bin661912f8ae8c02ae05a6460e93c66740d980c8a0cf78ad6b7729091e81f74a49 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7641 | 4872 bytes |
font_01_sfnt_off000086d2.bin9cca4be9edb8241cbef9ce862bd2480ee05b748f669f7c6cfed742da02be6849 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x86D2 | 10240 bytes |
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