MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link that redirects to a known malicious URL, masquerading as a free file conversion tool. This is further supported by heuristics indicating a malicious redirector and a link farm, suggesting an attempt to drive traffic to malicious sites. The ML classifier also strongly indicated maliciousness.
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=convert+pdf+file+to+word+doc+for+free
- http://gapalir.ourfamilyhistory1.com/uploads/1/3/2/3/132303035/4722412.pdf
- http://files.beautyspotunisex.com/uploads/1/3/0/7/130776421/dorisaxebuxenuw_lozugurumawevis_rujijelu_suvarajijatefu.pdf
- http://files.trevormlewis.com/uploads/1/3/1/6/131606128/88c5c9b.pdf
- https://cdn.shopify.com/s/files/1/0432/7096/3350/files/48236123499.pdf
- https://cdn.shopify.com/s/files/1/0434/8713/3860/files/79585592549.pdf
- https://cdn.shopify.com/s/files/1/0429/3656/5923/files/90071670917.pdf
- https://cdn.shopify.com/s/files/1/0431/2032/8864/files/25114451610.pdf
- https://cdn.shopify.com/s/files/1/0432/5149/9170/files/toniripunumugorobuwodi.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tiwimuz.pdf
- https://cdn.shopify.com/s/files/1/0432/7351/9272/files/89057781872.pdf
- https://cdn.shopify.com/s/files/1/0428/3963/8179/files/61405519778.pdf
- https://cdn.shopify.com/s/files/1/0432/5526/7496/files/gapiniwarexama.pdf
- https://cdn.shopify.com/s/files/1/0435/1547/8176/files/38896891218.pdf
- https://cdn.shopify.com/s/files/1/0431/2632/5409/files/converter_to_autocad_free_software_download.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006db9.bine68f8675d0af841a9aebf417b41b711b0cf6576f5d30a6b0f7df9f57557de842 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DB9 | 4724 bytes |
font_01_sfnt_off00007ded.bine2af0be2ed6138160096cf7763d5a746461d5fb31565e47c26baf6bd27113897 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7DED | 10320 bytes |
font_02_sfnt_off0000a0f7.bin1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA0F7 | 4324 bytes |
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