MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'Alzheimer pdf' and a URL that appears to be part of an SEO poisoning or link farm strategy. The presence of many links, including one pointing to a redirector, suggests a malicious intent to lure users to potentially harmful sites.
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=alzheimer+pdf+t%25C3%25BCrk%25C3%25A7e
- http://files.185686508.com/uploads/1/3/0/9/130969146/wakoxifodol.pdf
- http://files.ewdstone.com/uploads/1/3/1/6/131637409/xezuzidudex.pdf
- http://files.tourdestreescanada.com/uploads/1/3/1/4/131406372/gaxemafajemugudop.pdf
- https://cdn.shopify.com/s/files/1/0433/6176/3480/files/biochemistry_and_molecular_biology_of_plants_buchanan.pdf
- https://cdn.shopify.com/s/files/1/0433/1628/1512/files/android_studio_keyboard_shortcuts.pdf
- https://cdn.shopify.com/s/files/1/0431/1970/6279/files/rojigawipugipipufabid.pdf
- https://cdn.shopify.com/s/files/1/0436/6244/2646/files/wovaxibudakuwudamusename.pdf
- https://cdn.shopify.com/s/files/1/0431/8671/6830/files/anatomy_of_human_bones.pdf
- https://cdn.shopify.com/s/files/1/0427/8065/5775/files/kerezikesuxudav.pdf
- https://cdn.shopify.com/s/files/1/0441/4029/8392/files/body_dysmorphic_disorder_dsm_5.pdf
- https://cdn.shopify.com/s/files/1/0435/4693/5451/files/pabipiwanolurem.pdf
- https://cdn.shopify.com/s/files/1/0430/6527/8625/files/tutinabagudexoguritaboras.pdf
- https://cdn.shopify.com/s/files/1/0437/3626/8949/files/77865260998.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/26225030347.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9715790575.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_off00007be1.bin466bca65a7a2e3bdf1c801e3ca22de8d4bccebbc7489d4672a88b0c094a64eb4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7BE1 | 5296 bytes |
font_01_sfnt_off00008d95.bindc03f74c3304c19873d257ef4bf51f157f85e2f816021aae8db309c75b2be2c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D95 | 11928 bytes |
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