MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure, specifically 'ttraff.ru'. Additionally, it contains a mass external PDF link farm, with many links pointing to shopify.com domains. The ML classifier also strongly indicated maliciousness. The primary attack pattern appears to be SEO manipulation or a link farm designed to redirect users to malicious content.
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=arabic+calligraphy+fonts+free++photoshop
- http://files.ballesteroselmer3d.com/uploads/1/3/2/6/132681772/7224420.pdf
- http://files.gracespringhill.com/uploads/1/3/0/7/130775698/4502679.pdf
- https://cdn.shopify.com/s/files/1/0432/5248/2208/files/32137058839.pdf
- https://cdn.shopify.com/s/files/1/0454/7146/5630/files/spotify_mod_apk_new_version.pdf
- https://cdn.shopify.com/s/files/1/0449/8069/9295/files/historia_de_ester_en_la_biblia.pdf
- https://cdn.shopify.com/s/files/1/0432/2761/1300/files/blueskybio_surgical_guide.pdf
- https://cdn.shopify.com/s/files/1/0428/8751/2220/files/job_vocabulary_esl.pdf
- https://cdn.shopify.com/s/files/1/0431/9045/2387/files/wonifujefoko.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/78539107281.pdf
- https://cdn.shopify.com/s/files/1/0429/9482/7415/files/surviving_sepsis_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0434/3994/7932/files/cs_lewis_the_weight_of_glory.pdf
- https://cdn.shopify.com/s/files/1/0428/6640/9638/files/rudutinixinegega.pdf
- https://cdn.shopify.com/s/files/1/0448/0483/3441/files/matricom_gamepad_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/3423/0429/files/puwajuloxemijopuwetotegi.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_off00006458.bin9e7bd980422786fbd005a6c4f736eeef3f29f6c803feaf625ba78d213195bd49 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6458 | 5508 bytes |
font_01_sfnt_off0000770f.bin5f5c3acd412616bd879735f25bce6e24fc357347ccb5c1e996bdfe693a1a20d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x770F | 9636 bytes |
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