MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, 'https://ttraff.cc/wb?keyword=pdf%20reader%20download%20offline', is designed to trick users into downloading a fake PDF reader. The document also exhibits characteristics of a link farm, with numerous embedded URLs pointing to various PDF files, likely for SEO manipulation or to host further malicious 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/wb?keyword=pdf%20reader%20download%20offline
- http://files.guruacademicadvising.com/uploads/1/3/1/4/131407818/9341568.pdf
- http://ritevum.liretondesigns.com/uploads/1/3/0/8/130814297/5086061.pdf
- http://xosem.norwoodcafe.com/uploads/1/3/0/8/130874197/2503101.pdf
- http://kabun.florencereview.com/uploads/1/3/1/1/131164250/2e14dbacee04.pdf
- https://cdn.shopify.com/s/files/1/0430/5967/5293/files/wutegazajuk.pdf
- https://cdn.shopify.com/s/files/1/0432/4232/4125/files/jiverujixarexugal.pdf
- https://cdn.shopify.com/s/files/1/0431/7272/4892/files/causes_of_world_war_ii_worksheet.pdf
- https://cdn.shopify.com/s/files/1/0429/6887/5157/files/kitupuzasufujimasor.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lofolevunukexus.pdf
- https://cdn.shopify.com/s/files/1/0427/7462/6470/files/64539844712.pdf
- https://cdn.shopify.com/s/files/1/0428/4419/2935/files/dijajemaxarologovaxudakot.pdf
- https://cdn.shopify.com/s/files/1/0430/8631/5684/files/78946339505.pdf
- https://cdn.shopify.com/s/files/1/0432/1758/4283/files/sewuteke.pdf
- https://cdn.shopify.com/s/files/1/0437/7539/3944/files/stihl_041_specs.pdf
- https://cdn.shopify.com/s/files/1/0434/7019/2805/files/9943359379.pdf
- https://cdn.shopify.com/s/files/1/0434/0265/7957/files/tumewanutesoxevota.pdf
- https://cdn.shopify.com/s/files/1/0433/7054/5308/files/vinaf.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_off000076cb.binb4906e262326e3db8a4805f42678bee58b50b21d698a128126d57becb0ff4e8d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76CB | 4816 bytes |
font_01_sfnt_off0000874a.binb23610a96532cec50c78b172256c6c9b75b2da3cf8e17dc86ab9a26a81ace20b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x874A | 10820 bytes |
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