MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, with a critical heuristic firing indicating a malicious redirector. The primary link, 'https://ttraff.com/pify?keyword=anzac+biscuits+book+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, also contains this URL and other links pointing to Shopify, suggesting a link farm or SEO poisoning tactic to lure users to malicious content. The ML classifier strongly supports the malicious nature of this PDF.
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=anzac+biscuits+book+pdf
- http://files.gtrtl.org/uploads/1/3/0/9/130969761/2304224.pdf
- http://nogejaza.dogoodmediamix.com/uploads/1/3/2/7/132741593/ef12c.pdf
- http://jivulujo.welshploughing.com/uploads/1/3/1/4/131438177/3193663.pdf
- http://files.willowsageco.com/uploads/1/3/0/7/130776255/cedc6979.pdf
- http://files.norfolkvintagehire.co.uk/uploads/1/3/1/4/131454102/4292211.pdf
- https://cdn.shopify.com/s/files/1/0435/9038/5821/files/xokim.pdf
- https://cdn.shopify.com/s/files/1/0449/7873/3224/files/basic_english_grammar_book_2_teacher_s_resource_guide.pdf
- https://cdn.shopify.com/s/files/1/0434/8834/6262/files/33202414197.pdf
- https://cdn.shopify.com/s/files/1/0433/5216/2462/files/27236655705.pdf
- https://cdn.shopify.com/s/files/1/0438/1786/1277/files/jajejebisa.pdf
- https://cdn.shopify.com/s/files/1/0438/7281/3211/files/carbohydrate_metabolic_disorders.pdf
- https://cdn.shopify.com/s/files/1/0435/4618/1787/files/lowobararif.pdf
- https://cdn.shopify.com/s/files/1/0434/3857/1670/files/jasudoxoj.pdf
- https://cdn.shopify.com/s/files/1/0448/0558/7106/files/diversity_of_cell_size_and_shape.pdf
- https://cdn.shopify.com/s/files/1/0432/8561/0651/files/application_form_for_uk_passport.pdf
- https://cdn.shopify.com/s/files/1/0434/5734/7746/files/57926234149.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_off00006658.bin73cca5645a9b7c205f3b488036e5075ff560c8a3583dc5ea117020146906ea6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6658 | 5264 bytes |
font_01_sfnt_off00007856.bin7c4c7351fb9da0969b71ae2daa838c490a135c806afc6e30c0da540603cbe92e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7856 | 10360 bytes |
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