MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a high number of embedded links, many pointing to Shopify and static.usrfiles.com, suggesting an attempt at SEO poisoning or link farming. One critical heuristic identified a link to a known malicious redirector at 'ttraff.com'. The document body, though heavily obfuscated, contains references to 'Gold's gym power flex exercises' and the malicious redirector URL, indicating a lure to a potentially harmful site. The ML classifier 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.com/wix?keyword=gold%2527s+gym+power+flex+exercises
- https://cdn.shopify.com/s/files/1/0437/6700/5333/files/daarck_arapa_t.pdf
- https://cdn.shopify.com/s/files/1/0430/9542/5191/files/mejowunexerelogawelamoxi.pdf
- https://cdn.shopify.com/s/files/1/0438/8900/0616/files/4th_grade_math_challenge_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0446/7798/8505/files/blogging_business_plan.pdf
- https://cdn.shopify.com/s/files/1/0436/5769/1289/files/simplified_chinese_alphabet.pdf
- https://static.usrfiles.com/ugd/b8c837_70eb3797cd96432382bee261fb3a4c4d.pdf
- https://static.usrfiles.com/ugd/b8c837_7df349b8dad545d58ed9b50e11a55cc5.pdf
- https://static.usrfiles.com/ugd/e3c460_16e8a7a696764160a08ebc81e460a6ae.pdf
- https://static.usrfiles.com/ugd/b8c837_077801986ce341a8858c1d3b0c43f43f.pdf
- https://static.usrfiles.com/ugd/a64c8c_b472e6411991431296445b067a82177b.pdf
- https://static.usrfiles.com/ugd/34e21e_ed8dba23881649d0bf99f107052a52e6.pdf
- https://static.usrfiles.com/ugd/599026_aa947972605848138d5c25092374404d.pdf
- https://static.usrfiles.com/ugd/4dd980_032a30fdc8c3413da3d45a70552539e7.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005de7.binbf9d564df6d98d276a197aea03e66cf007463be569dfac296f0903f7e2a3b4c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DE7 | 5192 bytes |
font_01_sfnt_off00006fbb.binfd8c81e59394452f80ff413ed204a7f0d563edc43135c76a0a10bb211e637f67 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FBB | 15568 bytes |
font_02_sfnt_off00009e59.bince7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9E59 | 4324 bytes |
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