MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, many pointing to what appears to be a link farm designed to attract search engine traffic. One of the primary links, 'https://ttraff.com/pify?keyword=algorithms+illuminated+part+2+pdf+github', is identified as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other Shopify-hosted PDF links, suggesting a social engineering attempt to drive traffic to malicious infrastructure.
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=algorithms+illuminated+part+2+pdf+github
- http://zawakux.slktogo.com/uploads/1/3/1/4/131437850/59f0f1.pdf
- http://files.backtothepastresearch.co.uk/uploads/1/3/0/9/130969632/032e3bea2a762.pdf
- https://cdn.shopify.com/s/files/1/0432/5936/3488/files/pdf_to_ms_word_editor_free_download.pdf
- https://cdn.shopify.com/s/files/1/0432/1057/1940/files/avant_propos_d_un_rapport_de_stage.pdf
- https://cdn.shopify.com/s/files/1/0437/1467/4841/files/pofir.pdf
- https://cdn.shopify.com/s/files/1/0438/7281/3211/files/rajomewuweteduzujudubi.pdf
- https://cdn.shopify.com/s/files/1/0429/5131/1513/files/zbrojownia_starego_wiata_chomikuj.pdf
- https://cdn.shopify.com/s/files/1/0432/3275/5875/files/athlean_x_meal_plan_free_download.pdf
- https://cdn.shopify.com/s/files/1/0435/4415/0165/files/56677837688.pdf
- https://cdn.shopify.com/s/files/1/0432/6883/3436/files/problem_based_learning_theory.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_off00008295.bin248376b5c056e017d95e1ad2ab3ed1efca5dbbdf8bdb47e6450ef07c6ee77169 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8295 | 5716 bytes |
font_01_sfnt_off000095db.bine1cd2239fa186193bc45a6502d28ceb8a3e8b4bcb0bb14afe0d4167e5bf50b9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x95DB | 11124 bytes |
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