MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a redirector, ttraff.com, which is flagged as malicious. The document body, though heavily obfuscated, contains text related to 'IELTS placement test' and the malicious URL, suggesting a phishing or scam lure. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm designed to distribute malicious content.
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=ielts+placement+test+with+answers+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/5361/2199/files/87605298852.pdf
- https://cdn.shopify.com/s/files/1/0433/5943/6968/files/3472812101.pdf
- https://cdn.shopify.com/s/files/1/0436/2698/7680/files/86128426215.pdf
- https://cdn.shopify.com/s/files/1/0434/8618/3576/files/xoruvuburu.pdf
- https://static.usrfiles.com/ugd/b8c837_e8a828d5db344b34b4a16364c9714aa7.pdf
- https://static.usrfiles.com/ugd/b8c837_6b6aa1f6836a47dfb7b7df5241736d61.pdf
- https://static.usrfiles.com/ugd/b8c837_2dfc249b14ab4e81a7130869703d6bdf.pdf
- https://static.usrfiles.com/ugd/b8c837_aeebd7db88c8442e936308865a7e3e88.pdf
- https://cdn.shopify.com/s/files/1/0428/3239/6447/files/3711294162.pdf
- https://cdn.shopify.com/s/files/1/0438/0088/7457/files/80131322759.pdf
- https://cdn.shopify.com/s/files/1/0443/1210/1020/files/aptitude_important_formulas.pdf
- https://cdn.shopify.com/s/files/1/0434/8860/8418/files/mu_cv_p_file_word.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_off000041c9.bindfaa15b24d95bca54c022f8e0286e8ddc944f3ed8bf90a7d9fd3b7e0f6b2a5a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x41C9 | 5424 bytes |
font_01_sfnt_off00005412.bincd9a57a5cfdf1b15df4a674a93bc49775758b9cee5f616d2a0e1a04e62a21377 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5412 | 9152 bytes |
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