MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though partially corrupted, includes text suggesting it's an 'acknowledgement slip' and contains the malicious URL. The presence of a link farm and a malicious redirector strongly indicates an attempt to lead users to harmful content.
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.cc/pify?keyword=sc+acknowledgement+slip
- http://mulojixut.northwoodwaterpolo.com/uploads/1/3/0/9/130969723/lononugukuxomofidola.pdf
- http://files.conklinbarracudas.net/uploads/1/3/0/8/130874110/budulerusuwuvi.pdf
- http://files.frenchkidz.com/uploads/1/3/1/6/131606201/1b03cbad6ca546.pdf
- http://files.greenlawconstruction.com/uploads/1/3/1/3/131398022/e6931f1ea.pdf
- http://numekobi.kowreefarmtreegroup.org/uploads/1/3/0/8/130873951/2837205.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/1662/6082/files/4800810438.pdf
- https://cdn.shopify.com/s/files/1/0435/9415/4146/files/testicular_torsion_management_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0429/0406/0071/files/cbrn_training.pdf
- https://cdn.shopify.com/s/files/1/0431/5404/7125/files/reading_assessment_tools.pdf
- https://cdn.shopify.com/s/files/1/0432/9196/7652/files/27730742422.pdf
- https://cdn.shopify.com/s/files/1/0428/9311/5548/files/wigujovar.pdf
- https://cdn.shopify.com/s/files/1/0435/5771/6127/files/ruvekovewi.pdf
- https://cdn.shopify.com/s/files/1/0437/7798/2626/files/ada_lovelace_biography.pdf
- https://cdn.shopify.com/s/files/1/0431/3874/4476/files/buvogonodejigufeguziverag.pdf
- https://cdn.shopify.com/s/files/1/0434/7727/0678/files/68932858277.pdf
- https://cdn.shopify.com/s/files/1/0431/4651/0497/files/titesoxebibosawofogavoti.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000067dd.bine08cf3bd3ab2a05f0d965225d657368b4d5c5e59fbddf7d6b915dcfb58ad431d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67DD | 5556 bytes |
font_01_sfnt_off00007acb.bin044a48b74723d4c00e1ac3f3711a2e78d733b27b7c6c49b459ff9d0c728b47f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7ACB | 10172 bytes |
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