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.ru/pify?keyword=bubbles+game+for+android+mobile'. This link is presented within the document body, suggesting a social engineering lure. The presence of a large number of external PDF links, many hosted on Shopify, indicates a potential link farm for SEO manipulation or to obscure the malicious redirector. The ML classifier also strongly flagged this PDF as malicious.
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=bubbles+game+for+android+mobile
- http://files.briankogelmann.com/uploads/1/3/2/7/132712206/6514665.pdf
- http://fufupim.trailtothepeople.com/uploads/1/3/1/8/131871921/30eac7ea.pdf
- https://cdn.shopify.com/s/files/1/0438/6573/5328/files/five_year_personal_financial_plan_template.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/59022585862.pdf
- https://cdn.shopify.com/s/files/1/0461/3681/9865/files/mosquito_backpack_vacuum_parts_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/36920421444.pdf
- https://cdn.shopify.com/s/files/1/0432/8692/1374/files/divubonebidibifap.pdf
- https://cdn.shopify.com/s/files/1/0432/0778/6657/files/24509839124.pdf
- https://cdn.shopify.com/s/files/1/0431/3651/6250/files/zowojulenomilub.pdf
- https://cdn.shopify.com/s/files/1/0431/2514/5760/files/physics_formulas_class_12.pdf
- https://cdn.shopify.com/s/files/1/0461/0975/3507/files/green_bay_packers_injury_report_week_8.pdf
- https://cdn.shopify.com/s/files/1/0428/6388/6495/files/merc_cruiser_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/1368/4891/files/pavanugikorola.pdf
- https://cdn.shopify.com/s/files/1/0436/0863/7602/files/penuguwubinijegoxa.pdf
- https://cdn.shopify.com/s/files/1/0435/8596/2142/files/muscle_building_diet_plan_for_skinny_guys.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_off00006c88.bin6977dc70b530a75d8f6da34ec0b0c1ae5fedc37d5b193722c8fa28aa365ccfb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C88 | 5416 bytes |
font_01_sfnt_off00007ed6.binc6ba82d88de3a1dc11cedd4dba1723b25bcfe3d2ca76b6537e0824ca0940dc30 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ED6 | 10212 bytes |
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