MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to a redirector infrastructure. The primary malicious link identified is https://ttraff.cc/pify?keyword=factorio+5+to+4+balancer, which is known to lead to malicious content. The document body, though heavily obfuscated, contains references to 'Factorio 5 to 4 balancer', suggesting a lure to attract users interested in that topic. The ML classifier also strongly indicated maliciousness.
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=factorio+5+to+4+balancer
- http://files.withvsat.com/uploads/1/3/1/4/131452823/kafevena_vojixozowes_misirisukowose.pdf
- http://files.odensymposium.org/uploads/1/3/1/3/131383318/c94df407b75.pdf
- http://files.get2knowisi.org/uploads/1/3/0/7/130775002/jasofisijifeliragelo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/6498/3703/files/99991931636.pdf
- https://cdn.shopify.com/s/files/1/0431/9831/6707/files/99885968412.pdf
- https://cdn.shopify.com/s/files/1/0434/0046/2503/files/fofusiwep.pdf
- https://cdn.shopify.com/s/files/1/0431/2160/6818/files/58739257517.pdf
- https://cdn.shopify.com/s/files/1/0433/5868/3291/files/tuzunudem.pdf
- https://cdn.shopify.com/s/files/1/0432/7899/1518/files/wamupuzuxezufu.pdf
- https://cdn.shopify.com/s/files/1/0428/7427/3948/files/352770276.pdf
- https://cdn.shopify.com/s/files/1/0428/8030/3267/files/90289247061.pdf
- https://cdn.shopify.com/s/files/1/0434/0813/0213/files/25168684913.pdf
- https://cdn.shopify.com/s/files/1/0430/3729/4754/files/10273532643.pdf
- https://cdn.shopify.com/s/files/1/0437/2925/6613/files/61293136523.pdf
- https://cdn.shopify.com/s/files/1/0436/3039/5552/files/96616056876.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_off00006739.bina5348a472884b9043b54b897cf451d9479bdd2efb184c59568d692b2173b03ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6739 | 4920 bytes |
font_01_sfnt_off00007812.bine9c99de2adb4bcbcec9001ec70f183590a694f0d66db291d2f99586fbdb39ea1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7812 | 10372 bytes |
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