MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, including a critical redirector at 'https://ttraff.ru/wb?keyword=combine%203%20pdf%20files%20into%20one'. This suggests a phishing or scam attempt, likely delivered as a spearphishing attachment. The document body, though heavily obfuscated, contains references to combining PDF files and includes the malicious URL, reinforcing the lure.
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=combine%203%20pdf%20files%20into%20one
- http://files.alaskarvadventures.com/uploads/1/3/2/6/132681336/fdfd3d.pdf
- http://files.newhampshiredreamhomes.com/uploads/1/3/2/6/132695568/boxufegowetixog_tivavej_podukakurolo.pdf
- http://files.becomeaconqueror.com/uploads/1/3/0/9/130969370/kezujoxukaraken.pdf
- http://files.alicianicolephotography.com/uploads/1/3/0/7/130739081/ea80da.pdf
- http://files.humandevelopmentzone.com/uploads/1/3/1/4/131438313/8841672.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/2950/3908/files/wuvunujagafakuvoxonufi.pdf
- https://cdn.shopify.com/s/files/1/0430/4027/6642/files/57766402328.pdf
- https://cdn.shopify.com/s/files/1/0429/3220/7782/files/am_word_family_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0431/7036/5602/files/1000_microfarad_25v_capacitor_datasheet.pdf
- https://cdn.shopify.com/s/files/1/0437/7706/5121/files/binary_search_worst_case.pdf
- https://cdn.shopify.com/s/files/1/0428/5690/6918/files/vojivapapukupu.pdf
- https://cdn.shopify.com/s/files/1/0432/8236/6629/files/12671306122.pdf
- https://cdn.shopify.com/s/files/1/0436/2380/9187/files/latisi.pdf
- https://cdn.shopify.com/s/files/1/0437/1687/0296/files/37013424306.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/68739776123.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_off000061c3.bin9b672cab96b4ef617f9c7028928cc3a2c2e50fce7f53cd0e8b052a7a609316f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61C3 | 5088 bytes |
font_01_sfnt_off00007301.bin6888f2f9f489d823070ca0a24b903710d17f96df57c6cdbbb684dcdfc23cfd3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7301 | 10364 bytes |
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