MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/wix?keyword=arabic+alphabet+writing+practice+book+pdf'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The presence of numerous other PDF links, while many are benign, suggests a link farm or SEO poisoning tactic to increase visibility. No scripts were extracted, and the document body is heavily obfuscated, but the malicious redirector is a clear indicator of malicious intent.
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.cc/wix?keyword=arabic+alphabet+writing+practice+book+pdf
- https://cdn.shopify.com/s/files/1/0439/3782/4926/files/92419297363.pdf
- https://cdn.shopify.com/s/files/1/0436/1850/0765/files/96377661294.pdf
- https://cdn.shopify.com/s/files/1/0430/2694/0067/files/an_introduction_to_categorical_data.pdf
- https://cdn.shopify.com/s/files/1/0461/8918/3129/files/tata_sky_app_free_for_laptop.pdf
- https://cdn.shopify.com/s/files/1/0432/0002/0635/files/fivoloserigajixobumi.pdf
- https://static.usrfiles.com/ugd/9b7d8a_450e8edab4f248e3b93c03538461acff.pdf
- https://static.usrfiles.com/ugd/913720_a8f4a3fff52448eda3a8c1c4f238985f.pdf
- https://static.usrfiles.com/ugd/409ca8_5ede6f220efe4cb9a58840f6df6efbdc.pdf
- https://static.usrfiles.com/ugd/b8c837_97bb5a741a0e419a82bba4f1c117ca3a.pdf
- https://static.usrfiles.com/ugd/405339_b349557ce9a9424bba27e66d0f0ba645.pdf
- https://static.usrfiles.com/ugd/3be3a7_369fa0df53be47858f2b80428aee2975.pdf
- https://static.usrfiles.com/ugd/32acb1_e8765a67dbad44d79ce525e8e9fd7e2f.pdf
- https://static.usrfiles.com/ugd/7a11b0_933e614334b541cd9123f73238e93f0b.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_off000045ad.bin048fb1891f432488516cd811e7b04d68e7d39e548ca3495625137f8fb0c23ff4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x45AD | 6744 bytes |
font_01_sfnt_off00005692.bin57ec5634453d99e6c46f4f31bd118b905d103498e6fdb5df584886fdae724648 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5692 | 5524 bytes |
font_02_sfnt_off0000695a.bin0bfa5726ea47d6a82df7ef83b80ae01cf7a7d7e286481cefe74970a60735be78 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x695A | 9484 bytes |
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