MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, including one pointing to a known malicious redirector at 'https://ttraff.com/pify?keyword=appendicitis+infiltrat+pdf'. The document body text, though heavily obfuscated, appears to be a lure related to 'appendicitis infiltrat pdf'. The presence of a link farm and a malicious redirector strongly suggests a phishing or malware distribution 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=appendicitis+infiltrat+pdf
- http://files.wildthymeflowers.ca/uploads/1/3/1/3/131383483/temidoluseze_jerig_mujijedod_pilon.pdf
- http://files.idontknowwhatimdoing.org/uploads/1/3/1/3/131379803/3114545.pdf
- http://files.dumperparts.co.uk/uploads/1/3/0/7/130776529/tilatenegowefe_sujab.pdf
- http://files.tsapconference.com/uploads/1/3/0/7/130738933/8706118.pdf
- https://cdn.shopify.com/s/files/1/0429/5750/4668/files/34392124480.pdf
- https://cdn.shopify.com/s/files/1/0428/9075/6259/files/nesogomakivitenexu.pdf
- https://cdn.shopify.com/s/files/1/0437/1854/1480/files/cannibals_and_kings.pdf
- https://cdn.shopify.com/s/files/1/0429/6884/2393/files/lisazasujolewonamoje.pdf
- https://cdn.shopify.com/s/files/1/0447/4263/9765/files/weefim_assessment_form.pdf
- https://cdn.shopify.com/s/files/1/0428/8151/5673/files/81772424035.pdf
- https://cdn.shopify.com/s/files/1/0433/5799/5160/files/fapesogokilipova.pdf
- https://cdn.shopify.com/s/files/1/0435/1167/7083/files/primary_prevention_of_cardiovascular_disease.pdf
- https://cdn.shopify.com/s/files/1/0435/2340/8032/files/68770546555.pdf
- https://cdn.shopify.com/s/files/1/0434/0842/5123/files/30749636823.pdf
- https://cdn.shopify.com/s/files/1/0430/7379/8298/files/dufagiriledimivikotusa.pdf
- https://cdn.shopify.com/s/files/1/0434/7058/6006/files/xubusizojoxezajubemidun.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_off000084b6.bin4009e3cb0b5b23da06769ce934bae7bddc61f0c35286fc5061ebaa64216307d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84B6 | 5140 bytes |
font_01_sfnt_off00009646.bin541d753ef782c87dcfd522a5b54ce673250f48db1341817b710474ec06d9ccfc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9646 | 11496 bytes |
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