MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links, one of which points to a known malicious redirector. The document body, though heavily obfuscated, contains text related to a 'yellow belly turtle care sheet' and the malicious URL. The PDF_MALICIOUS_REDIRECTOR_LINK heuristic confirms the presence of a link to malicious infrastructure. The ML classifier also strongly indicated maliciousness.
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=yellow+belly+turtle+care+sheet
- http://files.deustone.com/uploads/1/3/2/8/132815791/754743.pdf
- https://cdn.shopify.com/s/files/1/0432/3845/7508/files/35574597839.pdf
- https://cdn.shopify.com/s/files/1/0433/7762/3194/files/11371960457.pdf
- https://cdn.shopify.com/s/files/1/0431/9805/4558/files/buvalamokexig.pdf
- https://cdn.shopify.com/s/files/1/0432/3255/9267/files/33022694800.pdf
- https://cdn.shopify.com/s/files/1/0448/6771/5234/files/amoeba_sisters_characteristics_of_life.pdf
- https://cdn.shopify.com/s/files/1/0433/3538/5243/files/abc_writing_practice_book.pdf
- https://cdn.shopify.com/s/files/1/0438/2618/4352/files/vewijonalejubumu.pdf
- https://cdn.shopify.com/s/files/1/0431/4238/1725/files/tennessee_sample_ballot_2016.pdf
- https://cdn.shopify.com/s/files/1/0451/4267/1513/files/c_m_d_ka_full_form.pdf
- https://cdn.shopify.com/s/files/1/0435/6879/1713/files/jojixumofaxowal.pdf
- https://cdn.shopify.com/s/files/1/0434/2022/1596/files/34863583712.pdf
- https://cdn.shopify.com/s/files/1/0430/3529/5905/files/82576887830.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_off000063f0.bin600bf8c7c78d8996b3cac2bb9be77b2bffdb40ecc99377347ac479e20f352526 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63F0 | 5180 bytes |
font_01_sfnt_off0000759f.binc98523d1476c2f89ed8fc03c4e153590a8e2c7d66a9cc28fc4031f69f0d94f14 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x759F | 10228 bytes |
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