MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external sites, indicating a link farm. One of the primary URLs, 'https://ttraff.ru/wb?keyword=bridge%20to%20terabithia%202%20pdf', is flagged as a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body contains garbled text but includes several URLs, reinforcing the link farm behavior.
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=bridge%20to%20terabithia%202%20pdf
- http://files.localrootsjuiceco.com/uploads/1/3/1/8/131856446/doxaxalisak_xalimakumopeli_kawufulovaru_subixorezi.pdf
- http://files.mr-stevens.com/uploads/1/3/0/7/130776864/zoxakaso.pdf
- http://files.edithbp.com/uploads/1/3/1/4/131482941/xidosofolinigisetot.pdf
- http://files.centersquaremotors.com/uploads/1/3/1/4/131406202/72cd482be9f359.pdf
- http://files.clearviewpaymentsolutions.ca/uploads/1/3/0/7/130775357/a260587d0.pdf
- https://cdn.shopify.com/s/files/1/0447/9103/8118/files/sonda_vesical_demora.pdf
- https://cdn.shopify.com/s/files/1/0439/1705/0008/files/beatles_complete_chord_songbook.pdf
- https://cdn.shopify.com/s/files/1/0432/5018/8443/files/98849406116.pdf
- https://cdn.shopify.com/s/files/1/0429/9236/9823/files/nudesujiko.pdf
- https://cdn.shopify.com/s/files/1/0432/0113/4747/files/tips_for_answering_competency_based_interview_questions.pdf
- https://cdn.shopify.com/s/files/1/0433/5455/4533/files/56426282281.pdf
- https://cdn.shopify.com/s/files/1/0428/1538/9855/files/misakuzidozugunud.pdf
- https://cdn.shopify.com/s/files/1/0433/0723/7531/files/3224324792.pdf
- https://cdn.shopify.com/s/files/1/0433/4151/2855/files/gubotadagipasoda.pdf
- https://cdn.shopify.com/s/files/1/0432/1381/5966/files/60459532607.pdf
- https://cdn.shopify.com/s/files/1/0431/6990/6844/files/48603278727.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_off00010239.bin27a8e16c40631fbc8660043f85b2eff31e49d066f3ea4a3360d726bed4cccb88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10239 | 5412 bytes |
font_01_sfnt_off0001149d.bin6030c26ff0c02d338305d085be37cbfed4f735b3342aed24a9894ce1228251fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1149D | 11576 bytes |
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