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 a redirector service (ttraff.cc) known for malicious activity. The ML classifier also strongly indicated maliciousness. The document body, though partially corrupted, contains a URL that is also present in the embedded links, suggesting a coordinated effort to lure users to malicious sites. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm strategy to improve search engine ranking for 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.cc/pify?keyword=tratamiento+nutricional+para+anemia+ferropenica+pdf
- http://files.theeaglegallery.com/uploads/1/3/2/6/132696483/dudalizekudebefufema.pdf
- http://files.opheliawest.com/uploads/1/3/0/9/130968968/6676c5b8eac59.pdf
- http://files.contemporarylawblog.com/uploads/1/3/1/4/131437702/38cb972.pdf
- http://files.newmarlboroughfiber.org/uploads/1/3/1/4/131407823/1087036.pdf
- https://cdn.shopify.com/s/files/1/0430/6547/5229/files/vafudejotugofalabarapenus.pdf
- https://cdn.shopify.com/s/files/1/0439/8641/9870/files/interview_questions_and_answers_for_computer_science_teachers.pdf
- https://cdn.shopify.com/s/files/1/0433/8017/9107/files/all_algebraic_formulas.pdf
- https://cdn.shopify.com/s/files/1/0436/9619/3686/files/casting_defects_handbook.pdf
- https://cdn.shopify.com/s/files/1/0433/3653/2136/files/xavimite.pdf
- https://cdn.shopify.com/s/files/1/0427/9926/8003/files/difference_between_light_microscope_and_electron_microscopy.pdf
- https://cdn.shopify.com/s/files/1/0437/9112/2584/files/50771695074.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94229011204.pdf
- https://cdn.shopify.com/s/files/1/0433/5848/6678/files/3311521608.pdf
- https://cdn.shopify.com/s/files/1/0434/9709/5333/files/mixadivofibim.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_off00006526.bin68688202eb211580b3d04b869af4784ad8c7afae28d4a53cad5900b1dcf86345 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6526 | 5072 bytes |
font_01_sfnt_off00007653.bin9fb8739c22ab9b549b6b23b94afa11409b0d5900b5e1d2969026ef3643aeb4a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7653 | 11528 bytes |
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