MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one prominent URL pointing to a redirector service that is associated with malicious activity. The document body, though partially corrupted, includes the text 'Cartoon drawing book pdf free download' and the same redirector URL, suggesting a lure to download content. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' directly indicates the presence of malicious redirection infrastructure. The ML classifier also strongly flagged this PDF as malicious.
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=cartoon+drawing+book+pdf+free+download
- http://files.kahaboutique.com/uploads/1/3/0/8/130814758/d3913f110297095.pdf
- http://files.cceheadgearplus.com/uploads/1/3/0/7/130738652/7428122.pdf
- http://files.tinforestfarm.com/uploads/1/3/1/4/131438490/tefavemisonirut.pdf
- http://files.tatasuksesmandiri.net/uploads/1/3/1/3/131380717/titobanotesubug.pdf
- https://cdn.shopify.com/s/files/1/0428/5097/5910/files/18695844222.pdf
- https://cdn.shopify.com/s/files/1/0433/6936/5654/files/nh_dmv_forms.pdf
- https://cdn.shopify.com/s/files/1/0431/2816/0420/files/8639111981.pdf
- https://cdn.shopify.com/s/files/1/0429/7061/1871/files/97216648998.pdf
- https://cdn.shopify.com/s/files/1/0429/7628/0729/files/molixawaxuritawudemupove.pdf
- https://cdn.shopify.com/s/files/1/0438/8916/4440/files/xovufa.pdf
- https://cdn.shopify.com/s/files/1/0440/6929/0149/files/pulekejafesatukixibizuzi.pdf
- https://cdn.shopify.com/s/files/1/0427/9474/6023/files/guwujeretutebo.pdf
- https://cdn.shopify.com/s/files/1/0437/4170/8453/files/velix.pdf
- https://cdn.shopify.com/s/files/1/0431/3127/3365/files/dowebipiwoja.pdf
- https://cdn.shopify.com/s/files/1/0429/4764/1511/files/37017639505.pdf
- https://cdn.shopify.com/s/files/1/0437/4842/5889/files/turitex.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_off00006864.bin6fad8bd0c30620de35745c6eaa25231f2796d4c129d2e5d112d27416ceca5cd4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6864 | 5232 bytes |
font_01_sfnt_off00007a56.bin0e16e7e0b90dea04203155119563502e989e134b0f457d1f081b7ef3eae4486a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A56 | 9744 bytes |
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