MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating it redirects to known malicious infrastructure via 'ttraff.com'. Another critical heuristic identified a PDF link farm, suggesting an attempt to obscure the malicious destination by hosting many PDFs on domains like 'cdn.shopify.com'. The ML classifier strongly supports the malicious verdict.
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.com/pify?keyword=biological+hazards+in+laboratory+pdf
- http://files.joeprest.com/uploads/1/3/0/9/130969993/wotufafebi_junoj_bejiwo_xaxaxokoxepu.pdf
- http://files.unicuspharma.com/uploads/1/3/0/7/130775046/b529bc9d6.pdf
- http://files.steppingstoneschildrencenter.com/uploads/1/3/2/6/132695200/2c169ef.pdf
- http://files.michellekschilling.com/uploads/1/3/1/8/131856476/kifazuxixevoval_lonudanejefojit_dajukubu.pdf
- https://cdn.shopify.com/s/files/1/0437/5419/3047/files/sofevu.pdf
- https://cdn.shopify.com/s/files/1/0430/7140/6237/files/larubosixuvufidoxovelavol.pdf
- https://cdn.shopify.com/s/files/1/0440/8596/9048/files/66739568685.pdf
- https://cdn.shopify.com/s/files/1/0431/5312/9640/files/25950171886.pdf
- https://cdn.shopify.com/s/files/1/0431/6826/8456/files/gawoveronomipena.pdf
- https://cdn.shopify.com/s/files/1/0432/2738/1920/files/zefasuliji.pdf
- https://cdn.shopify.com/s/files/1/0434/3411/5233/files/80814102029.pdf
- https://cdn.shopify.com/s/files/1/0437/8296/3361/files/daruwebaxanudeworikij.pdf
- https://cdn.shopify.com/s/files/1/0433/1172/6750/files/naliwiv.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/damegadunuje.pdf
- https://cdn.shopify.com/s/files/1/0433/6245/1611/files/wesepikezetuwubupawexa.pdf
- https://cdn.shopify.com/s/files/1/0431/9536/7585/files/32330359679.pdf
- https://cdn.shopify.com/s/files/1/0428/3462/4679/files/48294457768.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_off00008137.bin21d82113a66cbdd4351406691fb52b1dfe708ee7d963bdf8ab6141a567a215bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8137 | 5428 bytes |
font_01_sfnt_off0000939f.bin5a3a948998b3f9741eeafd5019c88b864371643d853ad5c72a5b03ed9d2dc4dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x939F | 9780 bytes |
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