MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector link. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains URLs that are part of a link farm, suggesting an attempt to manipulate search engine results or distribute malicious content. The primary attack pattern involves luring the user to click on these malicious links.
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.link/pify?keyword=colour+wheel+primary+colours+worksheet
- http://files.samlyonmusic.com/uploads/1/3/2/6/132681463/9fe278884.pdf
- http://files.harvestofpeacemicrogreens.com/uploads/1/3/0/7/130739510/bupororebinizikibu.pdf
- http://bigef.untermyergardens.org/uploads/1/3/1/4/131453197/2805276.pdf
- https://static.usrfiles.com/ugd/d5cf39_8842ee123a744796b006698598a9294b.pdf
- https://static.usrfiles.com/ugd/35e1ce_0bd6248721d54840a2e518c1368d58d9.pdf
- https://static.usrfiles.com/ugd/2b25b5_6afc7c0774dd4146a13cee07c9dc7d87.pdf
- https://static.usrfiles.com/ugd/cb2bed_58bb8e70b1894138937188675bfcb7a2.pdf
- https://static.usrfiles.com/ugd/1849a1_724f73e2f108417a98eca708f3e11ea4.pdf
- https://static.usrfiles.com/ugd/361f4b_26252fa78d6a412088f846794960fd16.pdf
- https://static.usrfiles.com/ugd/d4df0f_52d45cbc1aed4805b51566577da7b54c.pdf
- https://static.usrfiles.com/ugd/289c5e_eeefdc3aa29f4aaaa17b009442eae163.pdf
- https://cdn.shopify.com/s/files/1/0435/6472/8479/files/miller_bobcat_225_manual.pdf
- https://cdn.shopify.com/s/files/1/0431/2183/6193/files/purovekagawepulajepemur.pdf
- https://cdn.shopify.com/s/files/1/0433/9272/9246/files/lelepepuri.pdf
- https://cdn.shopify.com/s/files/1/0440/6676/7013/files/esc_guidelines_af_ablation.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_off0000492c.binb95795ca175112ad0244bed3706b8a18f8615e6209191bccbdb595174b10f629 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x492C | 5336 bytes |
font_01_sfnt_off00005b34.bin1cca726f95e246fa269e37857ab8e8c2999b24bceadb4e22e139001af485f005 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B34 | 10012 bytes |
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