MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the URL that initiates the redirection. The PDF also contains a large number of embedded links, as noted by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or SEO poisoning tactic to distribute malicious content. 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.club/wix?keyword=hound+of+the+baskervilles+book+report
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/lufixupiz.pdf
- https://cdn.shopify.com/s/files/1/0429/8863/4263/files/5670493421.pdf
- https://cdn.shopify.com/s/files/1/0438/0036/3170/files/assassin_s_creed_identity_apk_app_mirror.pdf
- https://cdn.shopify.com/s/files/1/0429/3722/1276/files/newspaper_word_template_mac.pdf
- https://cdn.shopify.com/s/files/1/0429/8981/3909/files/47440083707.pdf
- https://static.usrfiles.com/ugd/d1c05f_0b9980316fd1483298365134bb7b3274.pdf
- https://static.usrfiles.com/ugd/b8c837_71bf78a1578d4de3b45a917ec929f602.pdf
- https://static.usrfiles.com/ugd/b8c837_a86cc98d60f048a99d863c5b6d6b8d42.pdf
- https://cdn.shopify.com/s/files/1/0432/6454/0825/files/popebe.pdf
- https://cdn.shopify.com/s/files/1/0427/8062/3015/files/wiradokijozusax.pdf
- https://cdn.shopify.com/s/files/1/0428/8672/5799/files/fokorogubixu.pdf
- https://cdn.shopify.com/s/files/1/0427/9199/3500/files/lebovamigojomudaxapi.pdf
- https://cdn.shopify.com/s/files/1/0436/0781/8398/files/the_ontological_argument_st_anselm.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_off00006ca0.bin43173cd833cb9992ca77911f8cbe78e71a4af65e67832a99d54b16042a7ed885 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6CA0 | 5352 bytes |
font_01_sfnt_off00007ecc.bin1de7992c7cb222177f94af2d0ee68647a212d601d3ed4beb4eab3a73f425fa5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ECC | 9852 bytes |
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