MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many of which point to a link farm designed to generate SEO traffic. One critical heuristic identified a link to a known malicious redirector, ttraff.com, which is likely intended to lead the user to a malicious site. The ML classifier also strongly indicated maliciousness. While no scripts were directly extracted, the PDF structure and embedded links suggest a phishing or redirection attempt.
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/pify?keyword=kptcl+assets+and+liabilities+format
- http://files.charleskalick.com/uploads/1/3/1/4/131410952/kevozuxuwuvexu.pdf
- http://files.thejharrisdesigns.com/uploads/1/3/1/1/131163635/dekukovuxideda.pdf
- http://files.busylilbeefloral.com/uploads/1/3/1/6/131606346/9a9f3b.pdf
- http://files.deficientautobiographicalmemory.com/uploads/1/3/1/0/131070441/ccc83ff04.pdf
- http://gotidim.thecheesesteakplace.com/uploads/1/3/1/0/131070036/tafutulovesidewo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/4388/7016/files/list_of_adjectives_in_english.pdf
- https://cdn.shopify.com/s/files/1/0428/7699/3702/files/chinese_characters_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0428/8079/4790/files/mukoworazaniwadip.pdf
- https://cdn.shopify.com/s/files/1/0437/3810/3962/files/31706789656.pdf
- https://cdn.shopify.com/s/files/1/0433/6284/4837/files/indeed_resume_download.pdf
- https://cdn.shopify.com/s/files/1/0431/3264/9636/files/10486419908.pdf
- https://cdn.shopify.com/s/files/1/0432/7469/8912/files/kutiziwewu.pdf
- https://cdn.shopify.com/s/files/1/0432/0192/1184/files/xodekavabodupo.pdf
- https://cdn.shopify.com/s/files/1/0440/2606/9157/files/55310354559.pdf
- https://cdn.shopify.com/s/files/1/0446/6917/3923/files/82368722729.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_off00006802.bin119cbba00ca11380470e5a8c97c1d42e46a50cab6cd64ffa0eea07df36c89799 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6802 | 5412 bytes |
font_01_sfnt_off00007a45.bina7bb3fb82429d10fcd7c3651551b356fe6da0f92eb122eb7410e656cbfaa9dbc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A45 | 10080 bytes |
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