MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL for the malicious redirector and several benign-looking PDF links, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly indicates maliciousness, and the presence of embedded URLs points towards a phishing or redirection attack.
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/wb?keyword=cartesian%20diver%20experiment%20pdf
- http://files.newtesting.org/uploads/1/3/1/3/131383934/edc839013e7036.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/loxidunadubufurepetiverox.pdf
- https://cdn.shopify.com/s/files/1/0432/1456/9631/files/list_of_adjectives_to_describe_personality.pdf
- https://cdn.shopify.com/s/files/1/0432/0883/5234/files/beropevidamaruzusorizi.pdf
- https://cdn.shopify.com/s/files/1/0429/4233/3087/files/synonyms_worksheet_for_grade_1.pdf
- https://cdn.shopify.com/s/files/1/0429/9807/1450/files/bratstvo_crnog_bodea_19.pdf
- https://cdn.shopify.com/s/files/1/0437/6585/8455/files/15393713905.pdf
- https://cdn.shopify.com/s/files/1/0447/9208/6685/files/eighteenth_brumaire_of_louis_bonaparte.pdf
- https://cdn.shopify.com/s/files/1/0439/9045/0334/files/6189050145.pdf
- https://cdn.shopify.com/s/files/1/0431/4162/8072/files/70696340192.pdf
- https://cdn.shopify.com/s/files/1/0436/0683/5358/files/abc_song_for_child_free.pdf
- https://cdn.shopify.com/s/files/1/0435/4814/7867/files/47821097736.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005e15.bin623286a120e6cb806b4ebdf6a40cf2e333a5be7c0b98e08f5665428d593b5b41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5E15 | 5188 bytes |
font_01_sfnt_off00006faf.bin0c02ac0d896d4402f53475d7031ba5f094368d3b9314d0e1308a265ce3199996 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FAF | 10076 bytes |
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