MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link that redirects to a malicious domain, disguised as a document about analytical method validation. This is further supported by heuristics indicating the PDF is a malicious redirector and part of a link farm. The ML classifier strongly supports the malicious nature of this PDF. No scripts were extracted from this sample.
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=analytical+method+validation+guideline
- http://files.baltermusic.com/uploads/1/3/0/8/130874514/d57d6.pdf
- http://files.massmediamaker.com/uploads/1/3/0/9/130969312/972194b424.pdf
- http://files.theperksofbeingbookish.com/uploads/1/3/2/6/132681482/e73a6173.pdf
- http://files.inspiredbychoices.com/uploads/1/3/0/7/130775747/saredegufubaxuxigup.pdf
- https://cdn.shopify.com/s/files/1/0433/5150/7112/files/nolefof.pdf
- https://cdn.shopify.com/s/files/1/0434/0826/1285/files/93216907499.pdf
- https://cdn.shopify.com/s/files/1/0427/9212/4572/files/19089885060.pdf
- https://cdn.shopify.com/s/files/1/0435/8550/3393/files/shield_hero_light_novel_14.pdf
- https://cdn.shopify.com/s/files/1/0430/8353/0394/files/creo_parametric_tutorial_free_download.pdf
- https://cdn.shopify.com/s/files/1/0429/0406/0071/files/pevulorisogumuje.pdf
- https://cdn.shopify.com/s/files/1/0430/9480/2593/files/95554614266.pdf
- https://cdn.shopify.com/s/files/1/0433/1975/4907/files/vinutonaligijobakez.pdf
- https://cdn.shopify.com/s/files/1/0434/2366/2236/files/fall_color_report_2019_maine.pdf
- https://cdn.shopify.com/s/files/1/0435/3481/1290/files/vakalujatomuluwo.pdf
- https://cdn.shopify.com/s/files/1/0438/2598/7734/files/autocad_2020_beginner_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0433/7978/5891/files/konomokoto.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_off000062b4.binaa935ef32c3e669f0a507931979a8b1a88e78921b0df2b2b25996865f347cad4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62B4 | 5228 bytes |
font_01_sfnt_off00007458.bin0eb27d243878ed31999207647c9afef46b67757326a457c2ed8f9b6091824492 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7458 | 10348 bytes |
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